Answer:

idea

Answer	Crossword Clue
IDEA	Bit of creativity
IDEA	Something that might pop into your head
IDEA	Gist

IDEA	Piece of mind?
IDEA	It's a thought
IDEA	Mental spark
IDEA	It might occur to you
IDEA	Concept
IDEA	Brainstorming output
IDEA	Creative nugget
IDEA	Theory

IDEA	What a germ may become
IDEA	Brainstorm
IDEA	Brainstorming result
IDEA	Conception
IDEA	It might be put in your head
IDEA	What a light bulb represents in the comics
IDEA	Mental flash
IDEA	Brainchild

IDEA	It can be bounced off someone
IDEA	Patent preceder
IDEA	Notion
IDEA	Patent prerequisite
IDEA	Entrepreneur's start
IDEA	Start of creation?
IDEA	What a light bulb indicates in cartoons
IDEA	Creative start

IDEA	Now there's a thought!
IDEA	Unpatentable thing
IDEA	It's just in your head
IDEA	Cents
IDEA	What a cartoon light bulb represents
IDEA	Inspiration
IDEA	Think piece?
IDEA	Think tank product

IDEA	What you may think of
IDEA	Suspicion
IDEA	Clue
IDEA	It comes to a head
IDEA	What comes to mind