Sentence:  All such imitations of negative quality have given rise to a compensatory response in the form of a heroic and highly individualistic humanism : if man can neither know nor love reality as it is , he can at least invent an artistic `` reality '' which is its <WSD>own</WSD> world and which can speak to man of purely personal and subjective qualities capable of being known and worthy of being loved . 
Meaning of the word marked with <WSD> tags:  belonging to or on behalf of a specified person (especially yourself); preceded by a possessive