Causing stimulation or excitement; provocative, sensational, or exciting (used as a na-adjective: 'stimulating').
彼の講義はいつも刺激的で、考えさせられることが多い。
His lectures are always stimulating and thought-provoking.
刺激的な映画を観て、久しぶりに夜中まで話し込んだ。
We watched an exciting movie and talked until late for the first time in a while.
あの広告はあまりに刺激的すぎて、放送が規制された。
That advertisement was too provocative and was restricted from airing.
刺激的な体験が彼女の考え方を変えた。
A stimulating experience changed her way of thinking.