christening

from WordNet (r) 3.0 (2006)

christening
    n 1: giving a Christian name at baptism

from The Collaborative International Dictionary of English v.0.48

Christen \Chris"ten\, v. t. [imp. & p. p. {Christened}; p. pr. &
   vb. n. {Christening}.] [AS. cristnian to make a Christian,
   fr. cristen a Christian.]
   [1913 Webster]
   1. To baptize and give a Christian name to.
      [1913 Webster]

   2. To give a name; to denominate. "Christen the thing what
      you will." --Bp. Burnet.
      [1913 Webster]

   3. To Christianize. [Obs.] --Jer. Taylor.
      [1913 Webster]

   4. To use for the first time. [Colloq.]
      [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

24 Moby Thesaurus words for "christening":
      affusion, appellation, aspergation, aspersion, baptism,
      baptismal gown, baptismal regeneration, baptistery, baptizement,
      calling, chrismal, definition, denomination, designation, font,
      identification, immersion, infusion, naming, nicknaming,
      sprinkling, styling, terming, total immersion