Nouns

(n)love affair, romancea relationship between two lovers
(n)romanticism, romancean exciting and mysterious quality (as of a heroic time or adventure)
(n)love story, romancea story dealing with love
(n)romancea novel dealing with idealized events remote from everyday life

Verbs

(v)woo, court, romance, solicitmake amorous advances towards“John is courting Mary”
(v)romancehave a love affair with
(v)chat up, flirt, dally, butterfly, coquet, coquette, romance, philander, mashtalk or behave amorously, without serious intentions“The guys always try to chat up the new secretaries”, “My husband never flirts with other women”
(v)romancetell romantic or exaggerated lies“This author romanced his trip to an exotic country”