Making guesses or forming ideas based on incomplete information; thinking about something without certainty.
From Latin 'speculari' meaning 'to look at or observe,' related to 'speculum' (mirror). It evolved to mean 'to observe and think,' then 'to theorize.'
Stock traders speculate on markets, astronomers speculate about distant galaxies, and philosophers speculate about consciousness—speculation is how humans explore the unknown, turning questions into discoveries through informed guessing.
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