Synonyms for officially

modified

1. In an official manner

   regularly, formally, orderly, befittingly, fittingly, suitably, according to form, ceremoniously, in set form, precisely, according to precedent, conventionally, in an established manner, as prescribed, according to protocol, all in order, according to etiquette, correctly, properly, customarily.

   Antonyms casually*, informally, unceremoniously.

2. With official approval

   authoritatively, authorized, sanctioned; see approved, authoritative 2.