Synonyms of theorize

theorize

verb

as in to speculate

to think of or suggest ideas about what is possibly true or real; to form or suggest a theory about something

Many scientists have theorized about the possibility of life on other planets.

Related Words

• speculate
• hypothesize
• think
• postulate
• say
• believe
• presume
• suppose
• assume
• dream
• presuppose
• deduce
• infer
• accept
• swallow
• surmise
• gather
• conclude
• suspect
• guess
• premise
• credit
• hypothecate
• conjecture
• judge
• figure
• conceive
• imagine
• perceive
• suspicion
• insist
• contend
• assert
• take
• affirm
• reckon
• allege
• claim
• declare
• fancy
• maintain
• aver
• avow
• profess
• preconceive
• avouch

Dissimilar Words

• doubt
• question
• challenge
• discredit
• disagree (with)
• deny
• wonder (about)
• dispute
• controvert
• disbelieve
• discount
• reject
• distrust
• repudiate
• disavow
• disclaim
• refute
• disprove
• mistrust
• rebut
• disown
• belie
• confute

Example Sentences

Recent Examples of theorize

And if PBHs make up a smaller percentage of dark matter than currently theorized, then the rates would be even lower. —Phil Plait, Scientific American, 24 Apr. 2026

Some Monroe collectors theorize there was another ring. —Bailey Bujnosek, InStyle, 13 Apr. 2026

Some theorize that the tech could help crash financial systems or lock up hospitals and manufacturing plants. —Kayla Hayempour, NBC news, 12 Apr. 2026

The researchers theorized that social relationships broke down under multiple pressures. —Ryan Brennan, Fort Worth Star-Telegram, 10 Apr. 2026