Synonyms and related words :
ability, acropolis, area, bag, bastion, beachhead, blockhouse, bridgehead, bump, bunker, caliber, capability, capacity, castle, citadel, cogency, cup of tea, donjon, dower, dowry, endowment, equipment, faculty, fasthold, fastness, field, flair, fort, forte, fortress, garrison, garrison house, genius, gift, good reason, good reasoning, hold, instinct, ironclad reasoning, keep, knockdown argument, line, long suit, main interest, makings, manner, martello, martello tower, metier, mote, motte, natural endowment, natural gift, parts, peel, peel tower, pet subject, pillbox, post, potential, power, powers, pursuit, qualification, rath, right thinking, safehold, sound evidence, sound reasoning, specialism, speciality, specialization, specialty, strong argument, strong flair, stronghold, style, talent, talents, technicality, the goods, the stuff, thing, tower, tower of strength, type, vocation, ward, way, weakness, what it takes