(adj) ซึ่งรำลึกถึงความหลัง เช่น You will feel nostalgic because this screensaver shows your images in a way similar to how many documentaries and biographies show still images from a history or a person's past.
[おもいをはせる, omoiwohaseru] (exp, v1) (See 思いを致す) to think about; to send one's heart out to; to give more than a passing thought to; to think of something far away; to think nostalgically upon (esp. one's hometown)