I. ˈges verb
Etymology: Middle English gessen, perhaps of Scandinavian origin; akin to Norwegian & Swedish gissa to guess, Middle Dutch gissen, gessen, Old Norse geta to get, guess — more at get
Date: 14th century
transitive verb
1. : to form an opinion of from little or no evidence
2. : believe , suppose
I guess you're right
3. : to arrive at a correct conclusion about by conjecture, chance, or intuition
guess the answer
intransitive verb
: to make a guess
• guess·able ˈge-sə-bəl adjective
• guess·er noun
II. noun
Date: 14th century
: conjecture , surmise