The word legislatively 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: 24
Highest Scoring Words With Friends™ Play In The Letters legislatively
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Seven Letter Word Alert: (33 words)
agilely, agility, aiglets, alleges, alleles, eaglets, elative, elegist, elegits, estival, evilest, eyeslit, galleys, gelates, illegal, illites, ilvaite, legally, legates, levelly, ligates, saltily, stagily, sylvite, tallies, tellies, tillage, valleys, vegetal, vestige, village, vitally, vitelli