Welfarism is the axiological view that only wellbeing has intrinsic value.
Further reading
MacAskill, William & Darius Meissner (2020) ‘Welfarism’, in Elements and types of utilitarianism, Utilitarianism.
Crisp, Roger (2001) ‘Welfarism’, in Well-being, Stanford Encyclopedia of Philosophy, November 6 (updated 6 September 2017).