characteristic, cornerstones, byword, watchword, epitome, distinguishing characteristic, leitmotif, centerpiece, testament, antithesis, staple, touchstone, catchword, mainstay, keystone, mantra, leitmotiv, sine qua non, focal point, linchpin, forte, exemplar, commonplace, trait, anathema, tenet, paramount, reminiscent, buzzword, embodiment, credo, manifestation, style, outgrowth, lynchpin, prerequisite, bane, bedrock, common denominator, irrepressibility, facet, de rigueur, trademark, culmination, flourishes, synonym, relentlessness, theme, integral, rarity, heralds, underpinning, personification, bugbear, imperative, holy grail, element, throwback, vestige, summum bonum, signature, bastion, redolent, antidote, tradition, aspect, philosophy, ethos, motto, saving grace, exemplification, norm, pillars, showcases, motif, vaunts, paragon, peerless, lifeblood, fulcrum, indirectness, fastidiousness, foppery, symbol, quintessence, adaptability, vogue, forerunner, forbearer, forefront, nonpareil, constants, oxymoron, marks, underpinnings, signifier, attributes, presages, constancy, unconventionality, definer, crown jewel, hallmarks, attribute, feature, features, desideratum, shortcoming, determinant, finding, peculiarity, commonality, differentia, distinction, precondition, characteristies, requisite, pathognomonic, pathological, pathologic, commonest, localizing, morphologic, noteworthy, radiographic, auscultatory, electrocardiographic, neurologic, neuropathological, puzzling, conspicuous, cytological, detectable, hematological, mammographic, nonspecific

secretase

mark, marker, marking

assay-mark, authentication, earmark, stylemark