Disillusioning
Part of speech: verb
Definition: To free or deprive of illusion; to disenchant.
Convincing
Part of speech: adjective
Definition: Effective as proof or evidence.
Part of speech: verb
Definition: To make someone believe, or feel sure about something, especially by using logic, argument or evidence.
Example sentence: Every night of our lives, we dream, and our brain concocts visions which are, at least until we wake up, highly convincing. Most of us have had experiences which are verging on hallucination. It shows the power of the brain to knock up illusions.