noun
natural gift; innate talent; born (talent)
Refers to a talent or quality that is inborn, not acquired. Often used in phrases like 天成の才能 (innate talent) or 天成の音楽家 (a born musician).
彼は天成の画家だ。
He is a born painter.
そのピアニストは天成の才能を持っている。
That pianist has an innate talent.