English to English

adverb (r)

• with resolute determination(adv.all)

  Example:
  We firmly believed it.
  

  Synonym:
  firm, steadfastly, unwaveringly
  

  source: wordnet30
• in a secure manner; in a manner free from danger(adv.all)

  Synonym:
  securely
  

  source: wordnet30
• with firmness(adv.all)

  Synonym:
  decisively, hard, resolutely
  

  source: wordnet30
• In a firm manner.(adverb)

  source: webster1913