speculates

Definitions

To form a theory or conjecture about a subject without firm evidence.

To invest in stocks, property, or other ventures in the hope of gain but with the risk of loss.

Examples

The journalist speculates that the company will announce a major merger by the end of the week.

He often speculates about what life might be like on other planets in our galaxy.

The detective speculates that the thief entered the building through the unlocked window.

Synonyms

conjectures theorizes surmises guesses postulates hypothesizes ponders

Antonyms

verifies proves confirms knows substantiates validates certifies