Observation
Part of speech: noun
Definition: The act of observing, and the fact of being observed. The act of noting and recording some event; or the record of such noting. A remark or comment. A judgement based on observing.
Example sentence: Nothing in Scientology is true for you unless you have observed it and it is true according to your observation.
Reflexion
Part of speech: noun
Definition: The act of reflecting or the state of being reflected.