brag

from The American Heritage® Dictionary of the English Language, 5th Edition.

• intransitive verb To talk or write about oneself in a proud or self-impressed way. synonym: boast.
• intransitive verb To say (something about oneself) boastfully.
• noun A boast.
• noun Arrogant or boastful speech.
• noun Games A card game similar to poker.
• adjective Exceptionally fine.

from The Century Dictionary.

• Proud; boasting: as, “that bragge prescription,”
• Also used adverbially.
• To use boastful language; speak vaingloriously of one's self or belongings; boast; vaunt: used absolutely, or followed by of, formerly sometimes by on: as, to brag of a good horse, or of a feat of arms.
• To sound, as a trumpet; blare; bray.
• To boast of.
• To blow (a trumpet).
• noun A boast or boasting; a vaunt; also, boastfulness.
• noun A thing to boast of; source of pride.
• noun A game of cards: same as poker.
• noun A bragger.

from the GNU version of the Collaborative International Dictionary of English.

• adverb obsolete Proudly; boastfully.
• noun A boast or boasting; bragging; ostentatious pretense or self glorification.
• noun The thing which is boasted of.
• noun A game at cards similar to bluff.
• intransitive verb To talk about one's self, or things pertaining to one's self, in a manner intended to excite admiration, envy, or wonder; to talk boastfully; to boast; -- often followed by of.
• adjective Archaic Brisk; full of spirits; boasting; pretentious; conceited.
• transitive verb obsolete To boast of.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb To boast; to talk with excessive pride about what one has, can do, or has done.
• noun A boast, a loud appraisal of oneself.
• noun by ellipsis The card game three card brag.
• adjective First-rate.
• adverb obsolete proudly; boastfully

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adjective exceptionally good
• noun an instance of boastful talk
• verb show off