SAKE

(REASON) [noun] [U] - for the sake of something/for something's sake because of, or for the purpose of, (something)Let's not disagree for the sake of (= because of) a few pounds.The company has decided for economy's sake (= for the purpose of saving money) to close down this department.Let's say, just for the sake of argument/for argument's sake (= for the purpose of this discussion), that prices rise by 3 per cent this year.You're only arguing for the sake of arguing (= because you like arguing).