na-adjective
Describes something that involves creativity or is characteristic of creative work, such as art, writing, or ideas.
彼は創作的才能に恵まれている。
He is blessed with creative talent.
このプロジェクトには創作的発想が必要だ。
This project requires creative thinking.
Formed from 創作 (そうさく, 'creation; creative work') + the adjectival suffix 的 (てき, '-like; -ic').