speculate

Synonyms: beat one’s brains brainstorm build castles in air call it call the turn cerebrate chew over cogitate conjecture consider contemplate deliberate dope dope out excogitate figure figure out guess guesstimate have a hunch hazard a guess head trip hypothesize kick around meditate muse pipedream psych out read read between lines reason reflect review ruminate run it up flagpole scheme size up study suppose surmise suspect weigh wonder

Antonyms: ignore neglect

Synonyms: dare hazard make book margin up play play the market plunge pour money into spec stick neck out take a chance take a flier take a fling venture wildcat

Antonyms: abstain