The word remediates 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: 14
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (55 words)
admires, aeriest, aridest, astride, dearest, dearies, demates, demerit, diester, dieters, dimeter, disrate, eeriest, emersed, emirate, meatier, mediate, meeters, merited, metered, metrise, misdate, misread, mitered, readies, readmes, readmit, reasted, redates, redeems, reedits, reemits, reested, remated, remates, remeets, reteams, retimed, retimes, seamier, sedater, seedier, seriate, seriema, sidearm, smarted, smartie, smeared, steamed, steamer, steered, tasered, teemers, tirades, tridems