Surmise

Part of speech: noun (n.)

1. A thought, imagination, or conjecture, which is based upon feeble or scanty evidence; suspicion; guess; as, the surmisses of jealousy or of envy. [We] double honor gain From his surmise proved false. Milton. No man ought to be charged with principles he actually disowns, unless his practicies contradict his profession; not upon small surmises. Swift.

2. Reflection; thought. [Obs.] Shak.

Synonyms: Conjecture; supposition; suspicion; doubt.

Part of speech: verb (v.)

To imagine without certain knowledge; to infer on slight grounds; to suppose, conjecture, or suspect; to guess. It wafted nearer yet, and then she knew That what before she but surmised, was true. Dryden. This change was not wrought by altering the form or position of the earth, as was surmised by a very learned man, but by dissolving it. Woodward.