The Collaborative International Dictionary of English v.0.48:

Nike \Nike\ prop. n. (Greek Mythology) [Gr., victory.]
   The Greek winged goddess of victory; identified with Roman
   Victoria.
   [WordNet 1.5]

WordNet (r) 3.0 (2006):

Nike
    n 1: (Greek mythology) winged goddess of victory; identified
         with Roman Victoria

Moby Thesaurus II by Grady Ward, 1.0:

70 Moby Thesaurus words for "Nike":
   Agdistis, Amor, Aphrodite, Apollo, Apollon, Ares, Artemis, Ate,
   Athena, Bacchus, Ceres, Cora, Cronus, Cupid, Cybele, Demeter,
   Despoina, Diana, Dionysus, Dis, Eros, Gaea, Gaia, Ge, Great Mother,
   Hades, Helios, Hephaestus, Hera, Here, Hermes, Hestia, Hymen,
   Hyperion, Jove, Juno, Jupiter, Jupiter Fidius, Jupiter Fulgur,
   Jupiter Optimus Maximus, Jupiter Pluvius, Jupiter Tonans, Kore,
   Kronos, Magna Mater, Mars, Mercury, Minerva, Mithras, Momus,
   Neptune, Olympians, Olympic gods, Ops, Orcus, Persephassa,
   Persephone, Phoebus, Phoebus Apollo, Pluto, Poseidon, Proserpina,
   Proserpine, Rhea, Saturn, Tellus, Venus, Vesta, Vulcan, Zeus