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

Like most headliners, Bad Bunny kept details of his halftime performance under wraps ahead of time, though many theorized there would be some kind of political performance. —CBS News, 8 Feb. 2026

Cuddihy and his colleagues theorized that these regular encounters with fire—and their unwanted consequences—would inevitably have a profound effect on any species over tens of thousands of years. —Andrew Paul, Popular Science, 5 Feb. 2026

Officials have not theorized about why she may have been snatched, but Nanos appealed directly to any potential abductor while speaking with the media the day after she was reported missing. —Clara Harter, Los Angeles Times, 3 Feb. 2026

Mueller theorized the rain actually cut down on the chaos factor that usually runs high in Formula E races. —David J. Neal, Miami Herald, 31 Jan. 2026