Sentimental (adjective)

1. Relating to or influenced by emotion or personal feeling, especially to an excessive extent.
2. Arousing tender feelings or emotions, especially nostalgia or sentimentality.
3. Having a feeling of affection or tenderness toward someone or something.

Origin:

Late 17th century: from french sentimental, from italian sentimentale, from sentimento, from latin sentire 'to feel'.

Examples:

1. The sentimental value of the old family photo album cannot be measured.
2. The movie is a sentimental portrayal of love and loss.
3. He had a sentimental attachment to his childhood home.
4. The song's lyrics and melody are sentimental and evoke a feeling of nostalgia.
5. She gave him a sentimental gift to mark the occasion.