Of, pertaining to, or serving as an introduction(adjective)
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Use "introductive" in a sentence
"Mon dernier message sur le forum a été tronqué pour ne laisser que la phrase introductive “je vous remercie encore de votre intérêt”."
"And for the assertion laid down, I desire that those who despise and reproach it would attempt an answer unto the ensuing arguments whereby it is confirmed, with those others which shall be insisted on in our description of the nature of the work of regeneration itself, and that upon such grounds and principles as are not destructive of Christian religion nor introductive of atheism, before they are too confident of their success."
"A principle that in its nature and tendency is introductive of all anarchy and confusion, and with the greatest propriety deserves the encomium of the _anti-government scheme_."