Yes, wave is playable
...and is worth 11 points.
Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Wave" Definition
noun
A curve or succession of curves, as in the hair.
A curved shape, outline, or pattern.
A maneuver in which fans at a sports event simulate an ocean wave by rising quickly in sequence with arms upraised and then quickly sitting down again in a continuous rolling motion.
A movement up and down or back and forth: a wave of the hand.
A moving curve or succession of curves in or on a surface; an undulation: waves of wheat in the wind.
verb-transitive
To cause to move back and forth or up and down, either once or repeatedly: She waved a fan before her face.
To move or swing as in giving a signal: He waved his hand. See Synonyms at flourish.
To signal (a person) to move in a specified direction: The police officer waved the motorist into the right lane.
To signal or express by waving the hand or an object held in the hand: We waved goodbye.
verb-intransitive
To have an undulating or wavy form; curve or curl: Her hair waves naturally.
To make a signal with an up-and-down or back-and-forth movement of the hand or an object held in the hand: waved as she drove by.
To move freely back and forth or up and down in the air, as branches in the wind.
phrasal-verb
Wave off Sports To cancel or nullify by waving the arms, usually from a crossed position: waved off the goal because time had run out.
Wave off To dismiss or refuse by waving the hand or arm: waved off his invitation to join the group.
verb
To motion with the hands or with something held in them in signal or salute.
To float, play, or shake in an air current move loosely to and fro.
To become moved or brandished to and fro.
To move before the wind with a motion.
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