agapemone [from Agapemone, a communistic establishment that was founded about 1849 at Spaxton, England, and had a reputation for immoral behavior . . . ] : a free-love institution <allow Christopher to run an Agapemone in what was after all her own house — F.M. Ford>

belamour obsolete : one who is loved

inamorata [Italian inamorata, from innamorare to inspire with love . . . ] : a woman with whom one is in love or has intimate relations . . . 

pander [from Pandare, character who procured for Troilus the love of Cressida in Troilus and Criseyde (1374) poem by Chaucer] : a go-between in love intrigues . . . 

Paphian [from Paphos, ancient city of Cyprus that was the center of worship of the Greek goddess of love Aphrodite] : relating especially to illicit love : wanton <sail for some vague Paphian bourn — Robert Frost>

spoon [perhaps from the Welsh custom of an engaged man's presenting his fiancée with an elaborately carved wooden spoon] : to make love to by caressing, kissing, and talking amorously : pet : neck; sometimes : woo; court