Answer: conjecture

AnswerCrossword Clue
CONJECTURESupposition
CONJECTURESurmise.
CONJECTUREConclude by presumption
conjecture(in textual criticism) The suggestion or reconstruction of a reading of a text not present in the original source
conjectureAn opinion or conclusion formed on the basis of incomplete information
conjectureAn unproven mathematical or scientific theorem
conjectureto arrive at or deduce by conjecture