Dictionary definition · truly
adverb
- in accordance with truth or fact or reality"she was now truly American"
- by right"baseball rightfully is the nation's pastime"
- with sincerity; without pretense"she praised him sincerely for his victory"
- in fact (used as intensifiers or sentence modifiers)"in truth, moral decay hastened the decline of the Roman Empire"
Source: Open English WordNet (CC BY 4.0).