Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun adeptness
1 sense of adeptness
Sense 1
adeptness, adroitness, deftness, facility, quickness -- (skillful performance or ability without difficulty; "his quick adeptness was a product of good design"; "he was famous for his facility as an archer")
=> skillfulness -- (the state of being cognitively skillful)