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

There was no indication of the context of the posts, which racked up millions of views, with many online commenters theorizing the accounts could have been hacked or that an official was cryptically teasing something. —Dylan Butts, CNBC, 26 Mar. 2026

Bordaz had long theorized that the body of the musketeer was probably buried near the French camp, rather than being taken back to France, so that King Louis XIV could personally attend the burial of his loyal servant. —Jack Guy, CNN Money, 26 Mar. 2026

There is even a chance that the vessel is actually younger than archaeologists theorize. —Andrew Paul, Popular Science, 25 Mar. 2026

Emily, a libertarian from Colorado who has been involved with the ACC for several years, theorized that the divide among the members’ priorities is regional. —Gaby Del Valle, Harpers Magazine, 24 Mar. 2026