truly, genuinely, really -- (in accordance with truth or fact or reality; "she was now truly American"; "a genuinely open society"; "they don't really listen to us")
rightfully, truly -- (by right; "baseball rightfully is the nation's pastime")
sincerely, unfeignedly, truly -- (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")
in truth, really, truly -- (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")
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