Related to or serving the purpose of education; having the character of teaching.
From educate + -ory (adjective suffix), a variant of -atory (relating to or serving to). The -ory suffix comes from Latin -orius.
While 'educative' feels alive and dynamic, 'educatory' sounds more institutional and formal—it's the adjective you'd use for 'educatory materials' in a school, whereas 'educative' is what a child feels when genuinely learning.
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