Answer: idea

AnswerCrossword Clue
IDEAThink tank output
IDEA"I have an ...!"
IDEAAftermath of a brainstorm
IDEABirth of a notion?
IDEAGame plan
IDEAIt's all in your head
IDEAIt's all in your mind
IDEAJust a thought
IDEAMental picture
IDEANew wrinkle
IDEASomething to run up the flagpole
IDEALightbulb, in a cartoon
IDEAThought
IDEAGray matter creation
IDEALight bulb, in the comics
IDEAThink piece
IDEABrainstorm result
IDEAThing symbolized by a bulb
IDEA"Here's an ... ..."
IDEAEntrepreneur's need
ideaindefinite or unformed conception
IDEABrain wave
IDEA"What's the big ..?"
IDEABrainstorm
IDEACartoon bubble
IDEAClue
IDEAGist
IDEAInspiration
IDEALight bulb, in comics
IDEANotion
IDEASneaking suspicion
IDEAConcept
IDEABrainchild
IDEABrilliant thought
IDEAComic light bulb?
IDEAFree-association tidbit
IDEAImpression
IDEAInvention necessity
IDEAInventor's seed
IDEAInventor's spark