| Accumulative (a.) Characterized by accumulation; serving to collect or amass; cumulative; additional. Thesaurus Entries accessory, accidental, accumulative, added, additive, additory, adscititious, adventitious, ancillary, another, appurtenant, ascititious, auxiliary, casual, circumstantial, collateral, contingent, contributory, cumulative, else, extra, farther, fortuitous, fresh, further, incidental, inessential, more, new, nonessential, other, plus, renewed, secondary, spare, subsidiary, summational, summative, superadded, superfluous, supernumerary, supervenient, supplemental, supplementary, surplus, ulterior, unessential |