"Traduce" seems to me a word that ought still be in use, instead of inventing new ones to take its place.
"I am earnestly desirous, then, my dear sir, that you should let the world into the traits of your genuine character, as civil broils may otherwise tend to disguise or traduce it."

traduce
vt.
3duced$, 3duc4ing 5L traducere, to lead along, exhibit as a spectacle, disgrace < tra(ns), across, over + ducere, to lead: see TRANS3 & DUCT6
1 to say untrue or malicious things about; defame; slander; vilify
2 to make a mockery of; betray
tra[duce4ment
n.
tra[duc$er
n.