Broadsides in the streets, signed with her father’s name, exonerating the late Stephen Blackpool, weaver, from misplaced suspicion, and publishing the guilt of his own son, with such extenuation as his years and temptation (he could not bring himself to add, his education) might beseech; were of the Present.
There are no more uses of "extenuating" in the book.
Show samples from other sources
He knows there are, well, extenuating circumstances.
Kass Morgan -- The 100
There were extenuating circumstances in their case—they were married, they had a child.