Synonyms of truly

1. truly, genuinely, really: usage: in accordance with truth or fact or reality; "she was now truly American"; "a genuinely open society"; "they don't really listen to us"
2. rightfully, truly: usage: by right; "baseball rightfully is the nation's pastime"
3. sincerely, unfeignedly, truly: usage: with sincerity; without pretense; "she praised him sincerely for his victory"; "was unfeignedly glad to see his old teacher"; "we are truly sorry for the inconvenience"
4. in truth, really, truly: usage: in fact (used as intensifiers or sentence modifiers); "in truth, moral decay hastened the decline of the Roman Empire"; "really, you shouldn't have done it"; "a truly awful book"