disillusion
verb (used with object)
to free from or deprive of illusion, belief, idealism, etc.; disenchant.
Used to express actions, events, or states that have not yet occurred but are expected to happen.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
I'm afraid this will disillusion you," he said, "if you expect something interesting.
From The Heather-Moon by A. M. (Alice Muriel) Williamson