instinctual

adjective

1. of, relating to, or of the nature of instinct.
2. prompted by or resulting from or as if from instinct; natural; unlearned: an instinctive will to survive.

adjective

1. of, relating to, or resulting from instinct
2. conditioned so as to appear innatean instinctive movement in driving

adj.

1841, from instinct (Latin instinctus) + -al (1). Related: Instinctually.

adj.

1610s (implied in instinctively), from Latin instinct-, past participle stem of instinguere (see instinct) + -ive. Related: Instinctiveness.