A redoubt is a fort or fort system usually consisting of an enclosed defensive emplacement outside a larger fort, usually relying on earthworks, though others are constructed of stone or brick.
Look up innuendo in Wiktionary, the free dictionary. An innuendo is an hint, insinuation or intimation about a person or thing, especially of a denigrating or a derogatory nature. It can also be a remark or question, typically disparaging (also called insinuation), that works obliquely by allusion.
exploit. A great or heroic deed: achievement, feat, gest, masterstroke, stunt, tour de force. 1. To put into action or use: actuate, apply, employ, exercise, implement, practice, use, utilize. Idioms: avail oneself of, bring into play, bring to bear, make use of, put into practice, put to use. 2. To take advantage of unfairly: abuse, impose, presume, use. 3. To control to one's own advantage by artful or indirect means: maneuver, manipulate, play.