Synonyms of self generated

Adjective

1. spontaneous (vs. induced), self-generated, impulsive, unprompted, intuitive, natural, instinctive

usage: happening or arising without apparent external cause; "spontaneous laughter"; "spontaneous combustion"; "a spontaneous abortion"

2. self-generated, self-produced, autogenous (vs. heterogenous), autogenic

usage: originating from the self