Sentence:  Now, in the first place, the Poet did not mean we should reconcile our hearts to Bertram, but that he should not <WSD>unreconcile</WSD> them to Helena; nay, that her love should appear the nobler for the unworthiness of its object. 
Meaning of the word marked with <WSD> tags:  To sever; to make no longer reconciled to each other.