Synonyms for Brag (same or very similar meaning)
WordNet sense 1 (an instance of boastful talk):
crow, gasconade, bragging, crowing, line-shooting, vaporingWordNet sense 2 (exceptionally good):
bossWordNet sense 3 (of high or superior quality or performance):
superiorWordNet sense 4 (show off):
blow, bluster, boast, gas, swash, tout, vaunt, shoot a lineFrom the ODE community, based on WordNetadd/edit