enhancement

addition, annexation, adjection; junction; superposition, superaddition, superjunction, superfetation; accession, reinforcement; increase; increment, supplement; accompaniment; interposition; insertion.

add, annex, affix, superadd, subjoin, superpose; clap on, saddle on; tack to, append, tag; ingraft; saddle with; sprinkle; introduce (interpose); insert., become added, accrue; advene, supervene., reenforce, restrengthen; reinforce, swell the ranks of; augment.

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.