The kiss was a fairytale ending to the evening.fairytalefai‧ry‧tale /ˈfeəriteɪl $ ˈferi-/ adjective [only before noun] 
a fairytale romance The kiss was a fairytale ending to the evening.
EXAMPLES FROM OTHER DICTIONARIES
- Their fairytale marriage turned into a nightmare.
COLLOCATIONS FROM THE ENTRY The kiss was a fairytale ending to the evening.
extremely happy, lucky etc in a way that usually only happens in children’s stories: The kiss was a fairytale ending to the evening. a fairytale romance The kiss was a fairytale ending to the evening.