Philosophy of Epicurus (8)
I believe the answer is:
hedonism
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">philosophy of epicurus</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for hedonism that I've seen before include "System based on pleasure as the highest good" , "Search for fun" , "Pleasure-seeking" , "The pursuit of and devotion to pleasure" , "Living for pleasure" .)