An example of to surmise is to guess the answer on a test.
Origin of surmise
- Middle English surmisen to accuse from Old French surmise feminine past participle of surmettre sur- sur- mettre to put (from Latin mittere)
From American Heritage Dictionary of the English Language, 5th Edition
- From Old French surmis, past participle of surmetre, surmettre (“to accuse"), from sur- (“upon") + metre (“to put").