Completes or satisfies a need, desire, promise, or requirement; carries out a duty.
From Old English 'fulfyllan,' combining 'ful' (full) + 'fyllan' (to fill). The meaning evolved from literally 'to fill fully' to 'to make complete or satisfied.'
The word literally means 'to fill fully'—so when you fulfill a promise or dream, you're 'filling it up completely' with reality, which is a beautiful way to think about achievement!
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