Formal - definition of formal by The Free Dictionary
https://www.thefreedictionary.com/formal
Web1. of, according to, or following established or prescribed forms, conventions, etc: a formal document. 2. characterized by observation of conventional forms of ceremony, behaviour, dress, etc: a formal dinner. 3. methodical, precise, or stiff.
DA: 51 PA: 95 MOZ Rank: 97