Definitions
1.VerbTo state or hold as true; to insist."Conventional wisdom has it that heat rises, but in fact heat diffuses: hot air rises.; He'll have it that I am maliciously misleading him."
2.VerbTo buy: to purchase."Twenty quid, you say? Yes, we'll have it, thank you.; (Well, for only twenty quid, we're having it all day long, aren't we?)"
3.VerbTo accept (an excuse, a behavior, etc); to believe."He tried to make excuses but she wouldn't have it / was not having it / was having none of it."
4.VerbTo be the object of ridicule, rebuke, critique, etc.
5.VerbTo possess some desirable quality or ability; to be all that."I was nervous about her performing on stage, but after all these years, she still has it.; I was nervous about her performing on stage, but after all these years, she’s still got it. [alloform]"