WordNet (r) 3.0 (2006):

celestial navigation
    n 1: navigating according to the positions of the stars [syn:
         celestial navigation, astronavigation]

Moby Thesaurus II by Grady Ward, 1.0:

43 Moby Thesaurus words for "celestial navigation":
   VAR, aspect, astronavigation, attitude,
   automatic electronic navigation, azimuth, bearing, bearings,
   chronometer, coastwise navigation, consolan, dead reckoning,
   electronic navigation, exposure, fix, frontage, lay, lie,
   line of position, loran, navar, navigation, omnidirectional range,
   omnirange, orientation, pilotage, plane sailing,
   point-to-point navigation, position, position line, radar,
   radio beacon, radio bearing, radio navigation, set, sextant,
   shoran, sofar, sonar, tables, tacan, teleran, visual-aural range