What is the crossword answer for the clue: Birth of a notion

GERM - a 4 letter word may be the answer you are looking for!

IDEA - a 4 letter word may be the answer you are looking for!

SEED - a 4 letter word may be the answer you are looking for!

SPARK - a 5 letter word may be the answer you are looking for!

BRAINCHILD - a 10 letter word may be the answer you are looking for!

CONCEPT - a 7 letter word may be the answer you are looking for!

Birth of a notion

4 Character Answers:

GERM

IDEA

SEED

5 Character Answers:

SPARK

7 Character Answers:

CONCEPT

10 Character Answers:

BRAINCHILD