Synonyms of speculation in English:

speculation


See US English definition of speculation

See UK English definition of speculation

See Spanish definition of especulación

noun

1‘his resignation fuelled speculation of an imminent cabinet reshuffle’

SYNONYMS
conjecture, theorizing, hypothesizing, supposition, guesswork
talk
theory, hypothesis, thesis, postulation, guess, surmise, opinion, notion
prediction, forecast
informal guesstimate

2‘a speculation on the stock market’

SYNONYMS
gamble, venture, risk
gambling
investment
informal spec
British informal flutter
archaic adventure