Crossword clues for Great idea! 3 lettersAnswerClueAHAGreat idea!OOHThat's a great idea!OOHNow that's a great idea!DASHESONESHOPESSays "Your great idea will never work," e.g.CEREBRAWhere great ideas come fromSTROKESOFGENIUSGreat ideasILIKEITGreat idea!MAASATTACKSGreat idea! said the goats. "Let's watch '__'"EDISONHe said, "To have a great idea, have a lot of them"ECARDSGreat gift ideas for those too cheap to pay for postageCULTGreat devotion to some idea.