To stand for is to be what letters in an abbreviation mean, or to accept behaviour. What does it stand for, will not stand for it, stand for parliament.
The tolerating sense is nearly always negative, since people say what they will not stand for. A third sense is to be a candidate, which is British where Americans run.
1phrasestand forWhat letters in an abbreviation mean; also, to accept behavior.
“Nobody could tell me what the last two letters stand for.”
stand for is a phrase.
Also accepted in games: represent
Practised in Phrasal Verbs