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.

Jefferies analysts led by Lloyd Byrne published a report, “Is Crude & Diesel the Next Gold? Longer-Term Oil Price Assumptions Need to Rise,” to this effect.

From Barron's • Apr. 6, 2026

Assumptions are often set by what one has experienced more in the past.

From Slate • Feb. 26, 2025

This exclusion extends beyond the doctor’s office: Assumptions that all people experience sexual attraction and romantic desires, also known as allonormativity, are embedded in housing, taxing and marital systems.

From Salon • Mar. 16, 2024

Assumptions about the treatment intensity also played a significant role in the treatment.

From Science Daily • Nov. 28, 2023

Assumptions are sometimes based upon real affirmations of the Intelligence, and sometimes not.

From Doctrine of the Will by Mahan, Asa