Not was confirmed, which the word does not mean either in New-Testament or in classical usage, but was actually and fully realized. James here uses the formula which in the Old Testament is employed of the realizing of a former utterance. See 1Ki 2:27; 2 Chronicles 36:22 (Sept.).
Imputed (ἐλογίσθη)
Lit., as Rev., reckoned.
He was called the friend of God
The term, however, does not occur either in the Hebrew or Septuagint, though it is found in the A. V. and retained in Rev. Old Testament. In 2 Chronicles 20:7 (Sept.), thy friend is τῷ ἠγαπημένῳ, thy beloved. In Isaiah 41:8 (Sept.), my friend is ὃν ἠγάπησα, whom I loved. “The friend of God” is still the favorite title of Abraham among the Jews and Mohammedans.