Fortification1. (n.) The act of fortifying; the art or science of fortifying places in order to defend them against an enemy.
2. (n.) That which fortifies; especially, a work or works erected to defend a place against attack; a fortified place; a fortress; a fort; a castle.
Thesaurus Entries
abatis, advanced work, affirmation, attestation, authentication, backing, backing up, balistraria, bank, banquette, barbed-wire entanglement, barbican, barricade, barrier, bartizan, bastion, battlement, bearing out, bolstering, breastwork, bulwark, buttressing, case hardening, casemate, certification, cheval-de-frise, circumstantiation, circumvallation, confirmation, contravallation, corroboration, corroboratory evidence, counterscarp, curtain, demibastion, dike, documentation, drawbridge, earthwork, enclosure, enrichment, entanglement, escarp, escarpment, fence, fieldwork, fortalice, glacis, hardening, invigoration, loophole, lunette, machicolation, mantelet, merlon, mound, outwork, palisade, parados, parapet, portcullis, postern gate, proof, proving, proving out, rampart, ratification, ravelin, redan, redoubt, refreshment, reinforcement, reinvigoration, restoration, restrengthening, revivification, sally port, scarp, sconce, stockade, strengthening, substantiation, support, supporting evidence, tempering, tenaille, undergirding, validation, vallation, vallum, verification, vitaminization, work