WordNet (r) 3.0 (2006):

string along
    v 1: move or come along [syn: string, string along]

Moby Thesaurus II by Grady Ward, 1.0:

101 Moby Thesaurus words for "string along":
   act with, align with, bamboozle, bedog, beguile, betray, blarney,
   bluff, butter, butter up, cajole, chase, cheat on, circumvent,
   come after, come behind, conjure, coquet, dally, deceive, delude,
   diddle, dog, double-cross, dupe, flirt, flock to, follow, fool,
   forestall, gammon, get around, get together with, go after,
   go along with, go behind, go in with, gull, heel, hoax,
   hocus-pocus, honey, hornswaggle, hound, humbug, join,
   join hands with, join up with, join with, jolly, juggle, kid along,
   lay it on, lead on, let down, line up with, mock, move behind, oil,
   outmaneuver, outreach, outsmart, outwit, overdo it, overreach,
   pigeon, play one false, play up to, pursue, put something over,
   rally round, range with, shadow, side with, snow, soap, soft-soap,
   soften up, stand in with, strike in with, string along with,
   stroke, swing in with, tag, tag after, tag along, tail, tailgate,
   take in, take part with, take sides with, team up with,
   throw in with, toy, trail, trail after, tread close upon, trick,
   two-time, unite with, wanton