Answer:

instinct

Answer	Crossword Clue
INSTINCT	Doing what comes naturally
INSTINCT	Gut reaction
INSTINCT	Why geese migrate

INSTINCT	Bent
INSTINCT	Innate impulse
INSTINCT	Natural inclination.
INSTINCT	Natural aptitude.
INSTINCT	Natural impulse.
INSTINCT	1992 thriller "Basic ....."
INSTINCT	You might not think to use it
INSTINCT	Inborn pattern of activity

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.