Yes, stand is playable
...and is worth 7 points.
Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Stand" Definition
noun
A booth, stall, or counter for the display of goods for sale.
A ceasing of work or activity; a standstill or halt.
A desperate or decisive effort at defense or resistance, as in a battle: made their stand at the river.
A group or growth of tall plants or trees: a stand of pine.
A parking space reserved for taxis.
verb
To support oneself on the feet in an erect position.
To be a specified height when fully erect .
To rise to an erect position.
To take up or maintain a specified position or posture .
To maintain one's position .
verb-intransitive
Chiefly British To be a candidate for public office.
Nautical To take or hold a particular course or direction: a ship standing to windward.
To assume or maintain an upright position as specified: stand straight; stand to one side.
To be at a specified level on or as if on a scale: stands third in her class; stands high in reputation.
To be available as a sire. Used of horses.
idiom
Own To be independent and responsible for oneself.
Stand a chance To have a chance, as of gaining or accomplishing something.
Stand pat To oppose or resist change.
Stand to reason To be consistent with reason: It stands to reason that if we leave late, we will arrive late.
Stand up for To side with; defend.
phrasal-verb
Stand by To be ready or available to act.
Stand by To keep or maintain: stood by her decision.
Stand by To remain loyal to; aid or support: stands by her friends.
Stand by To remain uninvolved; refrain from acting: stood by and let him get away.
Stand by To wait for something, such as a broadcast, to resume.