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The Collaborative International Dictionary
Disillusionize

Disillusionize \Dis`il*lu"sion*ize\, v. t. To disenchant; to free from illusion. ``The bitter disillusionizing experience of postnuptial life.''
--W. Black.

Wiktionary
disillusionize

vb. (context transitive English) To disillusion, disabuse, free from illusion.

Usage examples of "disillusionize".

He thought (and we made no effort to disillusionize him) that she had come all the way from America since the outbreak of war.