Synonyms of precocious

Adjective

1. precocious (vs. retarded), advanced, intelligent

usage: characterized by or characteristic of exceptionally early development or maturity (especially in mental aptitude); "a precocious child"; "a precocious achievement"

2. precocious, early (vs. late)

usage: appearing or developing early; "precocious flowers appear before the leaves as in some species of magnolias"

Definition and meaning of precocious (Dictionary)