Word Study
additional
CIDE DICTIONARY
additional, a.
Added; supplemental; in the way of an addition. [1913 Webster]
additional, n.
Something added. Bacon. [1913 Webster]
THESAURUS
additional
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, unessentialROGET THESAURUS
additional
Increase
N increase, augmentation, enlargement, extension, dilatation, increment, accretion, accession, development, growth, aggrandizement, aggravation, rise, ascent, exaggeration exacerbation, spread, flood tide, gain, produce, product, profit, increased, on the increase, undiminished, additional, crescendo, vires acquirit eundo.Addition
N addition, annexation, adjection, junction, superposition, superaddition, superjunction, superfetation, accession, reinforcement, increase, increment, supplement, accompaniment, interposition, insertion, added, additional, supplemental, supplementary, suppletory, subjunctive, adjectitious, adscititious, ascititious, additive, extra, accessory, au reste, in addition, more, plus, extra, and, also, likewise, too, furthermore, further, item, and also, and eke, else, besides, to boot, et cetera, and so on, and so forth, into the bargain, cum multis aliis, over and above, moreover, with, withal, including, inclusive, as well as, not to mention, let alone, together with, along with, coupled with, in conjunction with, conjointly, jointly, adde parvum parvo magnus acervus erit.Adjunct
N adjunct, addition, additament, additum, affix, appelidage, annexe, annex, augment, augmentation, increment, reinforcement, supernumerary, accessory, item, garnish, sauce, accompaniment, adjective, addendum, complement, supplement, continuation, rider, offshoot, episode, side issue, corollary, piece, flap, lappet, skirt, embroidery, trappings, cortege, tail, suffix, wing, additional, alate, alated, winged, in addition.For further exploring for "additional" in Webster Dictionary Online