stand has 28 distinct synonyms spread across 11 of its 24 senses. Each sense below keeps its own list, because a synonym belongs to a meaning and not to a word: swapping one sense's substitute into another sense's sentence is how a thesaurus makes writing worse. Its 3 recorded opposites are sit, lie, yield.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
a growth of similar plants (usually trees) in a particular area
“they cut down a stand of trees”
a support for displaying various articles
“the newspapers were arranged on a rack”
a mental position from which things are viewed
“we should consider this problem from the viewpoint of the Russians”
a booth where articles are displayed for sale
a stop made by a touring musical or theatrical group to give a performance
“a one-night stand”
tiered seats consisting of a structure (often made of wood) where people can sit to watch an event (game or parade)
a platform where a (brass) band can play in the open air
be in some specified state or condition
“I stand corrected”
occupy a place or location, also metaphorically
“We stand on common ground”
hold one's ground; maintain a position; be steadfast or upright
“I am standing my ground and won't give in!”
remain inactive or immobile
“standing water”
be tall; have a height of; copula
“She stands 6 feet tall”
put into an upright position
“Can you stand the bookshelf up?”
be available for stud services
“male domestic animals such as stallions serve selected females”
Synonyms, antonyms and the broader and narrower relations for stand come from Princeton University’s WordNet. Full sources and licences.