performative

Being enacted as it is said.

Saying "I do" as part of a wedding ceremony is performative, enacting a marriage.

Thus in the example: 'By saying “I do” I was marrying her', the performative 'I do' is a means to the end of marriage. Here 'saying' is used in the sense in which it takes inverted commas and is using words or language, a phatic and not[…]

Insincere, inauthentic or disingenuous; done solely or largely as a performance, to produce an impression or enhance one's reputation.

We were beginning to suspect that her ethical qualms were sometimes performative, as the urgent need for fairness and justice seemed to apply to some people but not to others.

Although the seeming copycat nature of the plots in Port Huran and Conyers was terrifying because of their repetitive, performative, even texted nature—their seeming theatricality—more harrowing was the threat that, like theater, the performance would settle quickly into repetition compulsions in schools across the nation.

A performative utterance.

The distinction between constatives and performatives is one of the distinctions that he starts questioning.