1) reverend, venerable
2) the title of the Roman emperors
2a) Augustan, i,e, taking its name from the emperor
2b) a title of honour which used to be given certain legions, or cohorts, or battalions, "for valour"
Part of Speech: adjective
Citing in TDNT: 7:174, 1010
From G4573; venerable (august), that is, (as noun) a title of the Roman Emperor, or (as adjective) imperial: - Augustus (-').