THESAURUS
furthermore
above, additionally, again, all included, along, also, altogether, among other things, and all, and also, and so, as well, au reste, beside, besides, beyond, else, en plus, extra, farther, for lagniappe, further, in addition, inter alia, into the bargain, item, likewise, more, moreover, on the side, on top of, over, plus, similarly, then, therewith, to boot, too, yea, yet
ROGET THESAURUS
furthermore
Addition
N
addition, annexation, adjection, junction, superposition, superaddition, superjunction, superfetation, accession, reinforcement, increase, increment, supplement, accompaniment, interposition, insertion, 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, adde parvum parvo magnus acervus erit.