Early 17th century; earliest use found in John Ford (bap. 1586, d. a1653), playwright. From post-classical Latin honorificare to honour, to support, provide for (Vetus Latina, Vulgate) from classical Latin honor + -ficāre.
Definition of honorify in US English:
honorify
verbˈɒnərɪfʌɪ
rare
with objectTo honour.
Origin
Early 17th century; earliest use found in John Ford (bap. 1586, d. a1653), playwright. From post-classical Latin honorificare to honour, to support, provide for (Vetus Latina, Vulgate) from classical Latin honor + -ficāre.