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PSAT 8/9 vocabulary: change and transformation.

20 words about change and transformation — each with a definition, an example sentence, and a memory cue.

20 words · Free PDF · No account needed

The PSAT 8/9 tests vocabulary in context: a Reading and Writing question gives you a passage and asks which word fits, and the wrong answers are usually words that are close in meaning. Studying a whole theme at once is what builds that discrimination — you learn not just what each word means, but how it differs from its neighbors.

Read the definition, then the example, then the memory cue. Come back a few days later and cover the definitions — recalling a word cold is what fixes it, and rereading it is not.

The 20 words

Alphabetical. Everything in the Change & Transformation guide.

01
acquireverb

to obtain or gain possession of something

She worked hard to acquire the skills needed for the promotion, showing how substantially the original situation changed over the course of events.

Memory cueA choir acquires a new piano; it obtains the instrument and now possesses it.

02
acquiredverb

obtained or gained possession of something

He acquired a taste for classical music during his time abroad, showing how substantially the original situation changed over the course of events.

Memory cueThe choir acquired the piano: the group obtained it and made it theirs.

03
adjustedverb

altered or modified to fit new circumstances

She adjusted her schedule to accommodate the new meeting time, allowing observers to compare the new result with its earlier form.

Memory cueTurn an adjustable dial until it fits the new setting; adjusted means altered to fit.

04
alterverb

to change or make different

The accident altered his perspective on life, allowing observers to compare the new result with its earlier form.

Memory cueAlter a design by making it visibly different from its earlier form.

05
convertverb

to change from one form or function to another

They converted the warehouse into luxury apartments, marking a noticeable shift from the conditions that had existed before.

Memory cueA converter takes one form in and sends a different form out.

06
developverb

to grow or cause to grow more mature, advanced, or elaborate

The company plans to develop a new software application next year, showing how substantially the original situation changed over the course of events.

Memory cueA seed develops through stages into a mature, more elaborate plant.

07
developedverb

grew or caused to grow more mature, advanced, or elaborate

Scientists developed a new vaccine in record time, allowing observers to compare the new result with its earlier form.

Memory cueThe finished plant developed from a small seed through increasingly mature stages.

08
gainingverb

acquiring or obtaining something; increasing in amount or degree

The company is gaining market share through its innovative products, showing how substantially the original situation changed over the course of events.

Memory cueAn upward arrow enters the basket as it gains possessions, amount, or strength.

09
improveverb

to make or become better; to enhance in quality or condition

Regular practice will help improve your musical skills, marking a noticeable shift from the conditions that had existed before.

Memory cueMove the quality dial upward to improve something and make it better.

10
improvedverb

made better; enhanced in quality or condition

The patient's condition improved significantly after the treatment, showing how substantially the original situation changed over the course of events.

Memory cueThe after-picture sits higher on the quality scale because it has been improved.

11
innovativeadjective

featuring new methods or ideas; original and creative

The company is known for its innovative approach to technology, marking a noticeable shift from the conditions that had existed before.

Memory cueAn innovative workshop opens a NEW box filled with original methods and ideas.

12
introducedverb

brought something into use or operation for the first time; presented formally

The scientist introduced a revolutionary new theory, allowing observers to compare the new result with its earlier form.

Memory cueA curtain opens as something is presented formally or brought into use for the first time.

13
modifyverb

to make partial changes to something

The engineer modified the design to improve efficiency, allowing observers to compare the new result with its earlier form.

Memory cueModify a machine by changing one part while leaving the whole recognizable.

14
preserveverb

to maintain something in its original state; to protect from harm

The museum works to preserve artifacts for future generations, showing how substantially the original situation changed over the course of events.

Memory cueA glass shield preserves the object in its original state and protects it from harm.

15
progressverb

to move forward or develop

The negotiations progressed smoothly, allowing observers to compare the new result with its earlier form.

Memory cueProgress moves forward and upward along the development path.

16
replacedverb

took the place of; provided a substitute for something

Digital cameras have largely replaced film cameras, marking a noticeable shift from the conditions that had existed before.

Memory cueA new part moved into the exact space of the old one; the old part was replaced.

17
replacingverb

taking the place of; providing a substitute for

The company is replacing outdated equipment with modern technology, allowing observers to compare the new result with its earlier form.

Memory cueReplacing means removing one item while a substitute takes its place.

18
retainverb

to continue to have; to keep possession of

The company wants to retain its best employees, showing how substantially the original situation changed over the course of events.

Memory cueRetain the key by closing your hand and continuing to keep it.

19
transitionnoun

the process of changing from one state to another

The transition to renewable energy will take decades, allowing observers to compare the new result with its earlier form.

Memory cueA transition bridge carries something from one state into the next.

20
variablenoun/adjective

not consistent or having a fixed pattern; liable to change

The variable winds made sailing conditions challenging that day, showing how substantially the original situation changed over the course of events.

Memory cueA variable line changes height instead of remaining fixed.

Prefer paper? The printable Change & Transformation guide has all 20 words, ready to print. All 30 themes (479 words) are on the guide index; for the alphabetical reference, see the PSAT 8/9 vocabulary list.

Knowing the words is step one — seeing them tested is step two.

Test Ninjas puts these words back into real passages — a complete PSAT 8/9 course, practice questions, and an explanation on every answer.