Wiktionary
disillusionise
vb. (alternative spelling of disillusionize English)
Usage examples of "disillusionise".
He had failed in a more subtle ambition, and for the moment he was heartsore and disillusionised, and not disinclined to take a certain cynical pleasure in observing and labelling his fellow wanderers as they went their ways in the dark stretches between the lamp-lights.