FA'ITHFULLY, adverb 1. In a faithful manner; with good faith. 2. With strict adherence to allegiance and duty; applied to subjects. 3. With strict observance of promises, vows, covenants or duties; without failure of performance; honestly; exactly. The treaty or contract was faithfully executed. 4. Sincerely; with strong assurances; he faithfully promised. 5. Honestly; truly; without defect, fraud, trick or ambiguity. The battle was faithfully described or represented. They suppose the nature of things to be faithfully signified by their names. 6. Confidently; steadily.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI