ROGET THESAURUS
augmentation
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.
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.
Expansion
N
expansion, increase of size, enlargement, extension,
augmentation, amplification, ampliation, aggrandizement, spread, increment, growth, development, pullulation, swell, dilation, rarefaction, turgescence, turgidness, turgidity, dispansion, obesity, hydrocephalus, hydrophthalmus, dropsy, tumefaction, intumescence, swelling, tumor, diastole, distension, puffing, puffiness, inflation, pandiculation, dilatability, expansibility, germination, growth, upgrowth, accretion, budding, gemmation, overgrowth, overdistension, hypertrophy, tympany, bulb, plumper, superiority of size, big bang, Hubble constant, expanded larger, &c (large), swollen, expansive, wide open, wide spread, flabelliform, overgrown, exaggerated, bloated, fat, turgid, tumid, hypertrophied, dropsical, pot bellied, swag bellied, edematous, oedematous, obese, puffy, pursy, blowzy, bigswoln, distended, patulous, bulbous, full blown, full grown, full formed, big, abdominous, enchymatous, rhipidate, tumefacient, tumefying.