have
brainwave
I couldn't understand any of it, but then I had a brainwave.
He had a brainwave while waiting for a concert to start.
The idea for the book came when she had a brainwave while she was out hiking.
SMART Vocabulary: related words and phrases
Ideas, concepts and theories
abstract
abstraction
accepted wisdom
afterthought
anthropocentrism
Darwinism
Darwinist
determinist
Dianetics
motif
musings
natalism
non-dogmatic
non-empirical
sacred cow
social Darwinism
straw man
supersensible
tenet
the domino theory