irreproachably

From irreproachable +‎ -ly.

irreproachably (comparative more irreproachably, superlative most irreproachably)

1. In an irreproachable manner; blamelessly.

• William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “irreproachably”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.
• “irreproachably”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.