English
exonerative
From exonerate + -ive.
Formed from exonerate + -ive
Proto-Indo-European *h₃en(H)- ‘to onerate’
…
Latin onero ‘to burden, lade, load, heap up anything in…’
Latin exonerō ‘to discharge, unload’
Latin exonerātus ‘exonerated’
Middle English exoneraten
English exonerate
Today it means
adj exonerating; tending to exonerate.
Language periods are conventional ranges, not dates for this word.
Etymograph / exonerative