The word cerebrating 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: 20
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (67 words)
angrier, arbiter, arenite, barring, bearing, beating, beignet, bracing, bringer, cabinet, carbeen, carbene, carbine, carting, caterer, cerebra, certain, crabier, crating, cringer, earring, enteric, enticer, erratic, generic, genetic, gerbera, grainer, granite, grantee, granter, greaten, greater, iceberg, inerter, ingrate, integer, rangier, rarebit, reagent, rearing, rebater, rebegan, rebegin, rebrace, reciter, recrate, reenact, regrant, regrate, reigner, reinter, retrace, retrain, ribcage, tangier, tarring, tearier, tearing, terrace, terrain, terrane, tracing, trainee, trainer, treeing, triaene