tack on

from WordNet (r) 3.0 (2006)

tack on
    v 1: fix to; attach; "append a charm to the necklace" [syn:
         {append}, {tag on}, {tack on}, {tack}, {hang on}]

from Moby Thesaurus II by Grady Ward, 1.0

31 Moby Thesaurus words for "tack on":
      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, subjoin, suffix, superadd, superpose, tag,
      tag on, unite with