amorousness, 
love, passion, ardor, sex, eroticism, desire, sexual love 
relationship, 
love affair, affair, involvement, fling (informal)
antonym: friendship
 
allure, 
excitement, adventure, nostalgia, feeling, sensation, exoticism, sense of 
adventure, sense of excitement, sense of history 
fascination, 
enthusiasm, passion, love, love affair, involvement, association 
love 
story, romantic story, romantic novel, romantic short story, romantic 
film, weepie (informal), romantic comedy, romantic tale
antonym: tragedy
 
adventure 
story, adventure, tale, yarn (informal), romp (informal), story, 
narrative 
fantasy, 
story, tall tale, fiction, daydream, tissue of lies 
short 
piece of music, song, piece  
tell 
stories, fantasize, romanticize 
be 
romantic, act romantically, moon (literary or humorous), swoon, daydream, 
be in love, gush 
court 
(dated), woo (dated or literary), pay court to (dated), put on a pedestal 
have 
an affair with, have a love affair with, have a relationship with, step 
out with (informal), date, have a fling with, be involved with, sleep with 
(informal)