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.

Synonyms & Similar 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

Antonyms & Near Antonyms

• 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

Before the main chamber was breached, some Egyptologists theorized the tomb belonged to a royal consort. —Paul Smaglik, Discover Magazine, 20 Feb. 2025

The researchers theorize that this difference in temperature between fluffy and filamentary clouds is likely connected to their age. —Robert Lea, Space.com, 20 Feb. 2025

Scientists are unable to theorize the reason why three oarfish have washed ashore last year, saying that each specimen collected provides a unique opportunity to learn more about the species. —Anthony Robledo, USA TODAY, 19 Feb. 2025

Fans speculated, tabloids theorized—but the truth is wilder than fiction. —Josh Hammer, Newsweek, 14 Feb. 2025