Describes something that appeals to or is influenced by emotion, often with a nuance of nostalgia or aesthetic feeling.
彼女は情緒的な音楽が好きだ。
She likes emotional music.
This movie is very sentimental; it made me cry.
情緒的 describes a mood or atmosphere rich in feeling, often used neutrally or positively, while 感情的 usually implies a lack of calm self-control.
Compound of 情緒 (emotion, sentiment) + 的 (-like, -al).