disillusion
noun
[ ˌdɪsɪˈluːʒ(ə)n ]
• disappointment resulting from the discovery that something is not as good as one believed it to be.
• "the old enthusiasm for the government evaporated into a more cynical disillusion"
disillusion
verb
• cause (someone) to realize that a belief they hold is false.
• "if they think we have a magic formula to solve the problem, don't disillusion them"
Similar:
disabuse,
undeceive,
enlighten,
set straight,
open someone's eyes,
disenchant,
shatter someone's illusions,
disappoint,
make sadder and wiser,
throw cold water on,
