Definition of entertain verb from the Oxford Advanced Learner's Dictionary
entertain
verb
ˌentəˈteɪn ˌentərˈteɪn
1[intransitive, transitive]to invite people to eat or drink with you as your guests, especially in your homeThe job involves a lot of entertaining.entertain somebodyBarbecues are a favourite way of entertaining friends.2[transitive, intransitive]entertain (somebody) (with something)to interest and amuse somebody in order to please themHe entertained us for hours with his stories and jokes.The aim of the series is both to entertain and inform.3[transitive] (not used in the progressive tenses) entertain something (formal) to consider or allow yourself to think about an idea, a hope, a feeling, etcHe had entertained hopes of a reconciliation.to entertain a doubt/suspicion