— instinctively, instinctually , adv.
/in stingk"tiv/ , adj.
1. of, pertaining 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.
Also, instinctual /in stingk"chooh euhl/ .
[ 1640-50; INSTINCT 1 + -IVE ]
Syn. 2. spontaneous, intuitive, unpremeditated.