Emily Dickinson Lexicon

OF-FI'CIAL, a. [Fr. officiel; from office.]

1. Pertaining to an office or public trust. The secretary is engaged in official duties.
2. Derived from the proper office or officer, or from the proper authority; made or communicated by virtue of authority; as, an official statement or report. We have official intelligence of the battle.
3. Conducive by virtue of appropriate powers. The stomach and other parts official to nutrition. [Unusual.] Brown.