augmentation Synonyms - page 2

supplement supplementation sustention swelling thickening upturn widening changelessness add-on buildup step-up carry-over addend upsurge abidance anabasis appendage appendix appurtenance ascent assistance boost broadening complement concrescence conservancy constructer amplification ampliation amelioration accompaniment accretion accrual accrument accumulation addendum additive adjunct advance affixture aggrandizement aggravation continuation crescendo evolvement exacerbation expansion expatiation fixity gain