Sentence:  The cultural <WSD>equation</WSD> of love with suffering is similar to the <WSD>equation</WSD> of love with an experience of both transcendence and consummation in which love is affirmed in an ostentatious display of self loss. 
Meaning of the word marked with <WSD> tags:  The act or process of equating two or more things, or the state of those things being equal (that is, identical).