performative

/pərˈfɔːrmətɪv/

per·forma·tive

BrE /pəˈfɔːmətɪv/

NAmE /pərˈfɔːrmətɪv/

(grammar)

when sb uses a performative word or expression, for example ‘I promise’ or ‘I apologize’, they are also doing sth (promising or apologizing)

➡  see also constative