Crossword clues for Think again! 5 letters:THINKDo some cerebratingTHINKUse your headTHINKEND OF QUOTETHINKPopular office signTHINKUse the beanTHINKUse gray matterTHINKPut your mind to workTHINKIBM's __ exhibitTHINKBelieve.THINKCerebrate.THINKConcentrate!THINK1968 hit for 42-AcrossTHINKWith 19-Across, reconsider ... or a hint to the starts of the five starred cluesTHINKGet ideasTHINKCogitateTHINKReasonTHINKRack one's brainsTHINKAptly named Final Jeopardy! theme songTHINKPonderTHINKAssumeTHINK___ twice (reconsider).THINKOffice sign.THINKIdeateTHINKUse one's beanTHINKGet lost in a brown studyTHINKSomething to do twice?THINKWith 61-Across, carefully consider ... or a clue to this puzzle's themeTHINKSee 1-AcrossTHINKBe reasonable?THINKI need you to remember this!THINKExercise one's gray matterTHINKUse one's headTHINKC'mon, Aimee, ___! There's gotta be a good clue out there for this word ...THINKEnd of the observationTHINKIBM slogan that inspired an Apple sloganTHINKTry to remember!THINKType of tankTHINKTank typeTHINKUse one's noodleTHINKDream (up)THINKUse your brainTHINKIf I Only Had a Brain verbTHINKGood motto for everyone.THINKSign on an office wall.THINKFamous IBM office signTHINKMotto for the office wall.THINKReflectTHINKCorporate mottoTHINKOffice wall sign.THINKBrainstorm