Rating Newest Oldest. Best Answer: nos·tal·gia 1. a wistful desire to return in thought or in fact to a former time in one's life, to one's home or homeland, or to one's family and friends; a sentimental yearning for the happiness of a former place or time: a nostalgia for his college days.2. something that elicits or displays nostalgia.ike it would make you want to revisit a certain time in a person's life. Say if a movie took place in the 50s, and an older adult watched it. That adult would consider the movie nostalgic because they fondly looked back at the memories of those days in the 50s. I hope that makes sense; I explained it the best I could.