DISABUSING
Verb
disabusing
present participle of disabuse
Source: Wiktionary
DISABUSE
Dis`a*buse", v. t. [imp. & p. p. Disabused; p. pr. & vb. n.
Disabusing.] Etym: [Pref. dis- + abuse; cf. F. désabuser.]
Definition: To set free from mistakes; to undeceive; to disengage from
fallacy or deception; to set right.
To undeceive and disabuse the people. South.
If men are now sufficiently enlightened to disabuse themselves or
artifice, hypocrisy, and superstition, they will consider this event
as an era in their history. J. Adams.
Source: Webster’s Unabridged Dictionary 1913 Edition