definition 1: to perceive; see.
example: She observed that he was wearing his best suit.
definition 2: to watch closely or make a systematic observation of.
example: She likes to sit by the window and observe the people walking by.
example: The students observed the entire operation performed by the heart surgeon.
example: The scientists are observing the animal’s behavior in its own habitat.
definition 3: to remark casually
example: “You look cheerful today,” he observed. (more…)
pronunciation: rae shə nael
part of speech: noun
definition 1. a fundamental reason for doing or being; basis.
example: The attack on the naval base provided the rationale for going to war.
definition 2. an argument, statement, or sequence of logical steps amounting to an explanation or justification.
example: Is there a rationale for this law?