The word for today is…

exculpatory (adj) – Tending to clear someone, especially a suspect, of guilt or blame; exonerative.

Source : The Free Dictionary

Etymology : 1779, from exculpate + -ory.
exculpate – “To clear from suspicion of wrong or guilt,” 1650s, from Medieval Latin exculpatus, past participle of exculpare, from Latin ex culpa, from ex “out of” + culpa ablative of culpa “blame, fault.”

Peter is a fourth-generation New Zealander, with his mother's and father's folks having arrived in New Zealand in the 1870s. He lives in Lower Hutt with his wife, some cats and assorted computers. His...