noun
1.
Synonyms: edge 2, incisiveness, sharpness
2.
Synonyms: wit 3, acumen, astuteness, clear-sightedness, discernment, discrimination, penetration, percipience, perspicacity, shrewdness
KEENNESS
Meaning of KEENNESS in English
Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003