1. In a cogent manner.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• countly,
• curently,
• corently,
• ergently,
• courntly,
• crrently,
• corantly,
• corrently,
• courently,
• cruently,
• coviently,
• commently,
• crently,
• argently,
• covenetly,
• cogentry,
• cognetly,
• cogentlyy,
• mollently,
• courgeantly

• gently,
• gentle,
• cogent,
• urgently.

The adjective form of the word "Cogently" is "cogent".