Corollary1. (n.) A proposition that logically follows one already proven, with little or no proof required, an additional inference or deduction from a demonstrated proposition; a consequence.
2. (n.) That which is given beyond what is actually due, as a garland of flowers in addition to wages; surplus; something added or superfluous.
Thesaurus Entries
accession, accessory, accompaniment, addenda, addendum, additament, addition, additive, additory, additum, adjunct, adjuvant, aftereffect, annex, annexation, appanage, appendage, appendant, appurtenance, appurtenant, attachment, attendant, augment, augmentation, by-product, coda, complement, conclusion, concomitant, consequence, consequent, continuation, deduction, derivation, derivative, development, distillate, effect, end product, event, eventuality, eventuation, extension, extrapolation, fixture, fruit, harvest, illation, increase, increment, induction, inference, issue, legacy, logical outcome, offshoot, offspring, outcome, outgrowth, pendant, precipitate, product, reinforcement, result, resultant, sequel, sequela, sequence, sequent, side effect, side issue, supplement, tailpiece, undergirding, upshot