Verb simple arithmetical process of increase; accumulation
Synonyms: calculate, cast, compute, count, count up, do addition, enumerate, figure, reckon, reckon up, sum, summate, tally, tot, total, tote, tot up
Antonyms: subtract
Verb adjoin, increase; make further comment
Synonyms: affix, annex, ante, append, augment, beef up, boost, build up, charge up, continue, cue in, figure in, flesh out, heat up, hike, hike up, hitch on, hook on, hook up with, include, jack up, jazz up, join together, pad, parlay, piggyback, plug into, pour it on, reply, run up, say further, slap on, snowball, soup up, speed up, spike, step up, supplement, sweeten, tack on, tag
Antonyms: decrease, deduct, diminish, lessen, reduce, remove, withdraw