Disenchant (verb)

1. Free (someone) from a false belief or the influence of an enchantment.
2. To cause to lose one's illusions or idealized opinions.

Origin:

Mid 16th century (in the sense "disillusion, free from illusion"): from french désenchanter, from des- (expressing negation) + enchanter "enchant".

Examples:

1. The harsh reality of life disenchanted the young girl from her dream world.
2. His experience with love disenchanted him from all the romantic ideas he once had.
3. The truth about the company disenchanted the employees from their belief in its integrity.
4. The cruel actions of the government disenchanted the citizens from their faith in democracy.
5. The shocking revelation disenchanted her from her trust in the institution.