懐なつかしがる

godan verb (-ru), transitive verb, intransitive verb

show nostalgia for; long for; reminisce fondly about

Describes someone else's visible nostalgia or fond reminiscing; not used for one's own feelings. Often implies the person is visibly missing or talking about the past.

• 祖そ母ぼは昔むかしの写しゃ真しんを見みて懐なつかしがっていた。

  My grandmother was looking at old photos and reminiscing fondly.

• 彼かれは学がく生せい時じ代だいの話はなしを懐なつかしがる。

  He often talks nostalgically about his school days.