Synonyms for hypothesize

Most common

presume · speculate · postulate · theorize

All synonyms

Verb

Definitions

1. v. 1

   To assume or assert tentatively on uncertain grounds.

Related words

Other spellings

hypothesise UK hypothetise UK hypothetize

Forms

Past participle

hypothesized
e.g. hypothesized → theorized, speculated, postulated, presumed…

Example sentences

• presume Don't presume to tell me how to raise my children!
• speculate As to what happened there, one can only speculate.
• theorize I theorize a terrorist breeding ground and terrorize a rigorist network.

Popularity over time

Use in printed books, per decade from 1850 to 2019.

By length

5 letters

guess¹, infer², posit²

6 letters

assume², reckon²

7 letters

suppose², presume², surmise²

8 letters

theorize³, theorise

9 letters

speculate³, postulate³

10 letters

conjecture³

11 letters

hypothecate

The small number after each word is its number of syllables (infer² = 2 syllables).