Crossword clues for the word: POSTULATE The word POSTULATE has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for POSTULATE Showing 1 to 6 of 6 results Clue(s) "Put forth, as an axiom" Ask for job at university before lecturer gets put away Claim the truth of Demand Mathematician's assumption Underlying hypothesis.