Past tense of notice; to become aware of or observe something, often something subtle or previously unobserved. To pay attention to or acknowledge the presence of something.
From Latin 'notitia' meaning 'knowledge' or 'acquaintance', through Old French 'notice'. The verb form developed in English during the 16th century from the earlier noun meaning 'announcement' or 'warning'.
The phrase 'until further notice' preserves the word's original meaning as an official announcement, while modern usage focuses on perception. Psychologists have found that we 'notice' far less than we think we do—a phenomenon called 'inattentional blindness'.
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