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assumptions

NOUN

taking something for granted; something expected

Synonyms

STRONGEST

acceptance belief expectation guess hunch hypothesis inference premise presumption supposition suspicion theory

STRONG

conjecture fancy posit postulate postulation presupposition shot stab supposal surmise theorization

WEAK

accepting assuming shot in the dark sneaking suspicion

Antonyms

STRONGEST

disbelief fact knowledge measurement proof reality truth

WEAK

doubt genuineness naturalness realness unexpected

NOUN

assuming possession, power

Synonyms

STRONGEST

acceptance

STRONG

acquisition adoption appropriation arrogation embracing grab seizure takeover taking undertaking usurpation

WEAK

accepting assuming shouldering taking on taking up

Antonyms

STRONG

rejection

WEAK

doubt genuineness naturalness reality realness unexpected

NOUN

arrogance

Synonyms

STRONGEST

presumption

STRONG

brass chutzpah cockiness conceit imperiousness insolence nerve pride sass self-importance

Antonyms

STRONG

humility modesty shyness timidity

WEAK

doubt genuineness naturalness reality realness unexpected

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The problem with calculations projecting the value of Roth conversions is that they rely a lot of assumptions, like future tax rates, inflation and portfolio growth.

From MarketWatch • May 15, 2026

Under extreme assumptions, these emissions would change the global temperature by thirty-four one-thousands of one degree Celsius—an effect that would be undetectable.

From The Wall Street Journal • May 10, 2026

Demand assumptions lifted the stock nearly 750% in just nine months.

From Barron's • May 7, 2026

Even so, the conflict unsettled India's diplomatic assumptions.

From BBC • May 7, 2026

First: there are no sacred truths; all assumptions must be critically examined; arguments from authority are worthless.

From "Cosmos" by Carl Sagan