WordNet (r) 3.0 (2006):

swashbuckling
    adj 1: flamboyantly adventurous [syn: swaggering,
           swashbuckling]
    n 1: flamboyantly reckless and boastful behavior

Moby Thesaurus II by Grady Ward, 1.0:

27 Moby Thesaurus words for "swashbuckling":
   adventurous, blustering, blusterous, blustery, boisterous, bold,
   bullying, daredevil, daring, dashing, flamboyant, hectoring, noisy,
   peacockish, peacocky, raging, ranting, raving, roistering,
   roisterous, rollicking, storming, strutting, swaggering,
   swashbucklering, swashing, tumultuous