Definition of "commonly"

commonly

/ˈkɑmənli/

adverb
comparative more commonly, superlative most commonly
1. As a rule; frequently; usually.
2. (obsolete) In common; familiarly.
  Quotations
  As he thereon stood gazing, he might see / The blessed Angels to and fro descend / From highest heaven in gladsome companee, / And with great joy into that Citie wend, / As commonly as friend does with his frend.
  1590, Edmund Spenser, chapter LVI, in The Faerie Queene, Book I, lines 497–501