Vocabulary in context
SAT Vocabulary Workbook
The closest companion to SATVocab for students who want guided lessons and written practice.
Check the workbook
Speculate
To form a theory or conjecture about something without firm evidence; to invest in ventures with risk in hopes of gain.
verbCheck this word before you leave
Pick the meaning. Keys A–D work too.
How well do you know this word now?
Your choice schedules the next review.
💡
Imagine This
Imagine a detective standing in front of a corkboard full of clues. He connects pieces with string, proposing possible motives, but admits none of it is proven yet and his ideas remain educated guesses.
🔊
Sounds Like
SPEK-yuh-layt
👀
Looks Like
Rooted in spec- meaning to look; resembles other 'spec-' words like inspect, spectator, spectacle.
📝
Remember This
The root spec- means 'to look.' Speculate is often about possibilities rather than certainties and can also mean engaging in risky investment with uncertain outcomes.
📚
Other Forms
speculatesverb
speculatedverb
speculatingverb
speculationnoun
speculatornoun
speculativeadjective
🔗
Connect With
conjecture, hypothesize, surmise, infer, guess, theorize; related adjective: speculative
📌
Note
Use speculate about or speculate on when discussing hypotheses or possibilities. Do not use speculate when you have proof—use assert or prove instead. Related uses include speculating in the stock market or on future events.
🧠
Study Deeper
Examples
- Researchers speculated about the causes of the anomaly after reviewing the data.
- Investors speculated on tech stocks, hoping for substantial returns.
Synonyms
conjecturehypothesizesurmiseguesstheorize
Antonyms
know for certainproveverify
Etymology
From Late Latin speculari 'to observe, look at', from Latin spec- 'to look'. The English form entered usage in the 15th century to mean forming theories beyond the evidence.
Mnemonic
SPECULATE = See Propose Estimate Conjecture Use Limited Assumptions Test Evaluate
Next Word
Continue in alphabetical order.
Try a Random Word
Pick any word below to jump in.
Similar Words
Related words and words with the same part of speech.
Infer
verbTo arrive at a conclusion through reasoning from given facts or evidence; to deduce.
Abandon
verbTo give up completely, to desert or leave behind, or to relinquish a claim, plan, or responsibility.
Abate
verbTo decrease in amount or intensity; to reduce or end something.
Abolish
verbTo formally end or repeal a system, practice, or institution; to officially put an end to something established.
Abridge
verbTo shorten (a text, speech, or other work) by omitting parts; to condense.
Abscond
verbTo depart secretly or flee, especially to avoid detection or arrest.
Study beyond this word
Turn vocabulary practice into a complete SAT plan
Add a workbook for repetition or the official guide for full-test context.
First-time test takers
Official SAT Guide
Official question styles, test structure, and print practice from the College Board.
Check the official guidePaid Amazon links. As an Amazon Associate I earn from qualifying purchases.