He hastened to propitiate the former by a donative of twice the usual amount, and excused his hasty acceptance of the throne to the senate by alleging the impatient zeal of the soldiers and the necessity of an imperator for the welfare of the state.
After a little hesitation Trajan accepted the position, which was marked by the titles of imperator, Caesar and Germanicus, and by the tribunician authority.
In 198 he received the title of Caesar, and in 209 those of Imperator and Augustus.
76, errs in stating that he used the title imperator as a praenomen.
Julius Caesar was the first who used the title continuously (from 58 B.C. to his death in 44 B.C.), as well domi as militiae; and his nephew Augustus took a further step when he made the term imperator a praenomen, a practice which after the time of Nero becomes regular.