addition

prep.

[1]	in addition to , as well as , besides , beyond , over and above

[1]	adding , add-on , improver , joining , putting together , uniting , combining
[2]	totalling , adding up , summing-up , summation , counting up , reckoning , totting up
[3]	addendum , increase , gain , appendix , appendage , supplement , increment , augmentation , extension
[4]	extension , accession , ell , (Brit) annexe , (US) annex , wing
[5]	summation , plus

adv.phr.

[1]	in addition , moreover , furthermore , additionally , besides , withal , to boot , in/into the bargain , too , also , as well