According-to meaning

In a manner conforming or corresponding to; in proportion.
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As stated or indicated by; on the authority of.

According to historians.

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Depending on.
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In keeping with.

According to instructions.

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As determined by.

A list arranged according to the alphabet.

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(idiomatic) Based on what is said or stated by; on the authority of.

According to the directions, the glue takes 24 hours to dry.

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