The word gesticulates is playable in Words With Friends™, no blanks required. Because it is longer than 7 letters, you would have to play off an existing word or do it in several moves.
Words With Friends™ Letter Score: 19
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (64 words)
acutest, ageless, aiglets, ascites, augites, auletes, aulists, autists, cagiest, castile, castles, celsius, clauses, cultist, cutlets, eaglets, easiest, elastic, elegaic, elegiac, elegist, elegits, eluates, estates, estuate, euclase, galette, gelates, gestalt, gestate, gluiest, gutless, iceless, laciest, latites, lattice, leagues, legates, lettuce, leucite, ligases, ligates, lucites, lutists, lutites, sagiest, salutes, scuttle, selects, settles, situate, sluices, stalest, statice, statics, statues, sulcate, tactile, taluses, tealess, teasels, tieless, tugless, ugliest