precocious
adjective
[ prɪˈkəʊʃəs ]
• (of a child) having developed certain abilities or inclinations at an earlier age than is usual or expected.
• "a precocious, solitary boy"
Similar:
advanced,
old beyond one's years,
forward,
ahead of one's peers,
mature,
prematurely developed,
ahead,
gifted,
talented,
clever,
intelligent,
quick,
smart,
rathe-ripe,
Origin:
mid 17th century: from Latin praecox, praecoc- (from praecoquere ‘ripen fully’, from prae ‘before’ + coquere ‘to cook’) + -ious.