- addition
- n1. joining, uniting, combining; adding, tacking on, attaching, annexing, appending.2. summation, totaling, adding up, counting up, enumerating; computation, calculation, reckoning.3. increase, increment, accretion, accession, enlargement, augmentation; extension, expansion, continuation, prolongation.4. additament, superaddition, affix, attachment, annexation; supplement, appendix, codicil, suffix, postscript, addendum, appendage, tailpiece; adjunct, appurtenance, accessory; insertion, interpolation, interjection, interposition.5.U.S. annex, wing, ell.6. in additionas well, besides, moreover, additionally, over and above.
A Note on the Style of the synonym finder. 2014.