Crossword clues for the word: IDEATE The word IDEATE has appeared as an answer to at least 62 crossword clues on different crossword puzzles. Crossword clues for IDEATE Showing 51 to 62 of 62 results Clue(s) Prefigure. Put on one's thinking cap Put on your thinking cap (whatever that is) Put some thought to Take part in a think tank Theorize Think Think up Use one's noggin Use one's noodle, formally What an adman might do Work for a think tank « Previous Next » 1 2