The Collaborative International Dictionary of English v.0.48:

Amatory \Am"a*to*ry\, a.
   Pertaining to, producing, or expressing, sexual love; as,
   amatory potions.
   [1913 Webster]

WordNet (r) 3.0 (2006):

amatory
    adj 1: expressive of or exciting sexual love or romance; "her
           amatory affairs"; "amorous glances"; "a romantic
           adventure"; "a romantic moonlight ride" [syn: amatory,
           amorous, romantic]

Moby Thesaurus II by Grady Ward, 1.0:

20 Moby Thesaurus words for "amatory":
   admiring, amative, amorous, aphrodisiac, ardent, attracted,
   caressive, coquettish, coy, desirous, erotic, flirtatious, flirty,
   impassioned, lascivious, loverlike, loverly, passionate, sexual,
   yearning