Noun

• S: (n) guess, conjecture, supposition, surmise, surmisal, speculation, hypothesis (a message expressing an opinion based on incomplete evidence)
• direct hyponym / full hyponym
• direct hypernym / inherited hypernym / sister term
• S: (n) opinion, view (a message expressing a belief about something; the expression of a belief that is held with confidence but not substantiated by positive knowledge or proof) "his opinions appeared frequently on the editorial page"
• S: (n) message, content, subject matter, substance (what a communication that is about something is about)
• S: (n) communication (something that is communicated by or to or between people or groups)
• S: (n) abstraction, abstract entity (a general concept formed by extracting common features from specific examples)
• S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))
• derivationally related form

Verb

• S: (v) surmise (infer from incomplete evidence)
• S: (v) suspect, surmise (imagine to be the case or true or probable) "I suspect he is a fugitive"; "I surmised that the butler did it"