adverb (r)

• under normal conditions(adv.all)

  Synonym:
  commonly, normally, unremarkably, usually
  Antonym:
  outstandingly, remarkably, unco, unusually
  

  source: wordnet30
• According to established rules or settled method; as a rule; commonly; usually; in most cases; as, a winter more than ordinarily severe.(adverb)

  source: webster1913