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Webster 1913 Edition

Adj.

[L.

dehortatorius

Fitted or designed to dehort or dissuade.

Bp. Hall.

Adj.

Dissuading; belonging to dissuasion

dehortatory ‎(comparative more dehortatory, superlative most dehortatory)

Fitted or designed to dehort or dissuade.
(Can we find and add a quotation of Bishop Hall to this entry?)