Do you mean an 'educated guess'? An educated guess is a hypothetical inquiry based on prior knowledge or experience of something or something pertaining to it. Basically, it's a "smart guess".
Robert Gess was born in 1985.
Diane Gess has written: 'Soaring at the top'
Edgar Gess was born on 1954-03-14.
a place i gess
july 3rd
Gess your self!
to form an egicatid gess
Because he is a woman from gess
mesher gess
i gess but im not ghandi
blow and then say cool? i gess
no you can make a gess but it might not be true