THESAURUS
subjoin
add, adjoin, affix, agglutinate, annex, append, attach, burden, complicate, conjoin, decorate, encumber, glue on, hitch on, infix, join with, ornament, paste on, plus, postfix, prefix, put with, saddle with, slap on, suffix, superadd, superpose, tack on, tag, tag on, take, unite, unite with
ROGET THESAURUS
subjoin
Addition
VB
add, annex, affix, superadd,
subjoin, superpose, clap on, saddle on, tack to, append, tag, ingraft, saddle with, sprinkle, introduce, insert, become added, accrue, advene, supervene, reinforce, reenforce, restrengthen, swell the ranks of, augment.