1) An instance of boastful talk 2) Bluster from de Bergerac 3) Boast 4) Boasting 5) Brag 6) Bragging 7) Crow 8) Crowing 9) French word used in English 10) Jactitation 11) Line-shooting 12) Self-praise 13) Show off 14) To talk boastfully 15) Vaporing Found on https://www.crosswordclues.com/clue/gasconade
Gas`con·ade' noun [ French gasconnade , from Gascon an inhabitant of Gascony, the people of which were noted for boasting.] A boast or boasting; a vaunt; a bravado; a bragging; braggodocio. Swift. Found on http://www.encyclo.co.uk/webster/G/11