The Collaborative International Dictionary of English v.0.48:

Premiere \Pre*mi[`e]re"\, a. fem. [F., prop. fem. of premier
   first. See Premier, a.]
   First; chief; as, a premi[`e]re danseuse. -- n. fem.; pl.
   -mi[`e]res (F. pre*my[^a]r").
   (a) The leading woman of a group, esp. in a theatrical cast.
   (b) A first performance, as of a play; a first night.
       [Webster 1913 Suppl.]

The Collaborative International Dictionary of English v.0.48:

premiere \premiere\ v. i.
   1. to be performed for the first time; of a play, ballet,
      composition, movie, or other literary work.

   Syn: premier.
        [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

premiere \premiere\ v. t.
   1. to perform (a play, ballet, or composition) for the first
      time.

   Syn: premier.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

premiere
    adj 1: preceding all others in time; "the premiere showing"
           [syn: premier, premiere]
    n 1: the first public performance of a play or movie
    v 1: be performed for the first time; "We premiered the opera of
         the young composer and it was a critical success" [syn:
         premier, premiere]
    2: perform a work for the first time [syn: premier,
       premiere]

Moby Thesaurus II by Grady Ward, 1.0:

46 Moby Thesaurus words for "premiere":
   be a gas, be a hit, benefit, bill, bomb, debut, dramatize,
   entertainment, exhibit, exhibition, fail, farewell performance,
   feature, first, flesh show, flop, headline, initial, make a hit,
   melodramatize, mount, open, open a show, opening, original,
   performance, premiere, present, presentation, presentment, preview,
   produce, production, put on, scenarize, set the stage, show, stage,
   stage presentation, star, succeed, swan song,
   theatrical performance, theatricalize, try out, tryout