I. v. a.
1.
Conjecture, divine, surmise, suspect, mistrust, judge at random, judge with uncertainty.
2.
Find out, solve, penetrate, fathom (by conjecture).
3.
[New little used except in U.S.] Suppose, think, believe, fancy, imagine, take it, dare say, venture to say.
II. v. n.
Conjecture, divine, surmise, suspect, mistrust.
III. n.
Conjecture, surmise, supposition.