The word predestine 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: 15
Highest Scoring Words With Friends™ Play In The Letters predestine
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Seven Letter Word Alert: (52 words)
deepens, deepest, deniers, despite, destine, diester, dieters, eeriest, entered, entrees, entries, inepter, needers, needier, petered, preedit, preened, present, preside, preteen, pretend, printed, pterins, reedits, reested, repents, repined, repines, respite, ripened, seedier, seepier, serpent, sneered, speeder, spender, spirted, steeped, steepen, steeper, steered, sterned, stipend, striped, teenier, tenders, tepider, terpene, terpine, tinders, trienes, tripeds