The Collaborative International Dictionary of English v.0.48:
Bravado \Bra*va"do\, n., pl. Bravadoes. [Sp. bravada, bravata, boast, brag: cf. F. bravade. See Brave.] Boastful and threatening behavior; a boastful menace. [1913 Webster] In spite of our host's bravado. --Irving. [1913 Webster]WordNet (r) 3.0 (2006):
bravado n 1: a swaggering show of courage [syn: bravado, bluster]