American spelling variant; to place someone on a throne or invest them with royal authority and power.
From enthrone plus -ize suffix instead of -ise. This is the American preference for -ize endings on verbs, using the Greek zeta root.
The -ize/-ise divide is one of the most famous spelling differences between American and British English, and this word shows how even formal, ceremonial verbs get caught up in the transatlantic spelling wars.
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