acuity [acuities]+(sharpness or acuteness)noun[UK: ə.ˈkjuːə.ti] [US: ə.ˈkjuːə.ti]
acumen+(quickness of perception)noun[UK: ˈæ.kjʊ.mən] [US: ə.ˈkjuː.mən]
sagacity+(quality of being sage)noun[UK: sə.ˈɡæ.sɪ.ti] [US: sə.ˈɡæ.sɪ.ti]
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