Plural of completion; instances of finishing something or bringing something to an end.
Plural of completion, from complete (Latin completus) + -tion suffix (Latin -tio, forming abstract nouns). Completion originally meant 'the act of filling up or finishing.'
In cognitive psychology, completion is so powerful that our brains will automatically finish sentences we hear—it's called the Zeigarnik effect, and advertisers use it to make jingles stick in your head!
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