forte, long suit, métier(also metier), speciality, specialty, thing

area, arena, bailiwick, business, circle, demesne, department, discipline, domain, fief, fiefdom, field, line, precinct, province, realm, sphere, terrainelementaptitude, aptness, bent, faculty, flair, genius, gift, knack, talentpursuit, racket, vocationinclination, leaning, partiality, penchant, predilection, predisposition, proclivity, propensity, tendency