Synonyms of speculate in English:

speculate


See definition of speculate

verb

1‘my colleagues speculate about my private life’

SYNONYMS
conjecture, theorize, form theories, hypothesize, make suppositions, postulate, guess, make guesses, surmise
think, wonder, muse

2‘investors can make profits from speculating on the stock market’

SYNONYMS
gamble, take a chance, take a risk, venture, take a venture, wager
invest, play the market
British informal have a flutter, punt