courteously

From Middle English curteisly, curteisliche; equivalent to courteous +‎ -ly.

courteously (comparative more courteously, superlative most courteously)

1. In a courteous manner; with obliging civility or condescension; politely.

• “courteously”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.
• “courteously”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.