Life satisfaction do incorporate enjoyment and both have a correlational relationship. It might be used, given, you visit the scale and paper given by previous studies in order to provide a empirical evidence to your positioning. Besides, you may also use Ryff's Psychological Welll-Being Scale (PWB) for cognitive evaluation of one's well-being. Details can be found in our paper too:
Researchers conceptualize "flourishing" differently but it might be worth exploring more thoroughly. You might want to start with the attached 2014 article.