adjective Date: 15th century of, relating to, or being instinct, prompted by natural instinct or propensity ; arising spontaneously , see: spontaneous ~ly adverb
INSTINCTIVE
Meaning of INSTINCTIVE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012