1. to instruct ...1596 obs.
2. to spell a word according to usage; to correct in regard to spelling ...1611
3. to spell, esp. to spell correctly ...1787
from orthography + -ize, from Old French ortografie (13th century), later ortographie, modern French orthographie (16th c. in Littré), from Latin orthographia, from Greek ὀρθογραϕία, noun of quality from ὀρθογράϕ-ος writing correctly, a correct writer, orthographer,
from ὀρθό-ς + -γράϕος that writes, writer + ize
FIRST DOCUMENTED USE
1596 - see EXAMPLE below
"...beseechest them to winke, whiles thou mak'st a Tennis-court of their faces, by brick-walling thy clay-balls crosse vp and downe their cheekes: whereas if thou wert right orthographizd in the Doctors elocution, thou wouldst say in stead of I pray Sir winke I must wash you, Sir, by your fauour I must require your conniuence..."
From: Haue With You to Saffron-Walden; or, Gabriell Harueys Hunt is vp
- Thomas Nashe