Wiktionary
enjoy oneself
vb. To take pleasure, to have feelings of enjoyment.
Usage examples of "enjoy oneself".
What purpose is there other than to eat and live and enjoy oneself?
Ethical Hedonism recognised that one had to enjoy oneself where one got the chance these days, but that rather than immerse oneself totally in such diversions, one ought always to behave in a reasonable and reasonably responsible manner, never losing sight of the more general moral issues and their manifestations in society.
Why it should be necessary to get drunk to enjoy oneself is beyond my comprehension.
There was time now to think and to enjoy oneself, to revel in the thrill of sending the _African Queen_ skating round the corners, pushed far out by the current until the outside bank was perilously close to one's elbow.