The word expatiations 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: 23
Highest Scoring Words With Friends™ Plays In The Letters expatiations
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Seven Letter Word Alert: (33 words)
anapest, apatite, atonias, attains, axinite, axstone, exposit, inosite, instate, opiates, panties, patents, patient, patinae, patinas, patines, patties, peasant, pianist, pietist, potties, poxiest, satiate, sextain, sextant, station, stipite, tanapox, teapots, tiepins, tiniest, tinpots, tiptoes