Synonyms of theorize in English:

theorize


See US English definition of theorize

See UK English definition of theorize

See Spanish definition of especular

verb

1‘Darwin theorized that the atolls marked the sites of vanished volcanoes’

SYNONYMS
speculate, conjecture, hypothesize, take as a hypothesis, postulate, form a theory, formulate a theory, propose, posit, surmise, suppose, guess
philosophize
rare hypothecate