Appropriation, belief, acceptance, and appropriating are all synonyms for assumption. Fact and certainty are antonyms of assumption. And here are 57 another word for assumption.
Belief, conclusion, conjecture, deduction, expectation, fancy, guess, guessing, guesswork, hypothesis, impression, inference, notion, postulation, premise, presumption, presupposition, reckoning, speculation, supposition, surmise, suspicion, theory, thought, and guesstimate are all synonyms for assumption.
Acceptance, appropriating, appropriation, arrogation, commandeering, confiscating, confiscation, embarkation on, entering on, expropriating, expropriation, handling, hijack, hijacking, managing, pre-empting, requisition, requisitioning, seizing, seizure, setting about, shouldering, tackling, taking away, taking on, taking over, taking, undertaking, usurping, wresting, and claiming are all another word for assumption.
Assumption synonym page has a variety of synonyms that differ in length. 2 synonyms with 5, and 14 letters and 5 synonyms with 6, and 7 letters. 7 synonyms with 8 letters and 6 synonyms with 9, and 13 letters.
10 synonyms with 10 letters and 8 synonyms with 11 letters. 3 synonyms with 12 letters. For a total of 54 another word for assumption.
His assumption proved to be incorrect.
They made an assumption too quickly.
Her assumption led to misunderstandings.
Don't rely on that assumption.