precocious:
of a child having developed certain abilities or inclinations at an earlier age than is usual or expected
(Adjective)
Example Sentences:
Ramayana: Rama was a precocious warrior whose archery ability far exceeded his age.
Mahabharata: If Duryodhana was precocious in any way, it was in his enviousness and maliciousness.
Bhagavad-gita: Children who are spiritually precocious are probably souls who have already practised spirituality to a significant degree in their previous lives.