perspicience
/pəːˈspɪʃəns/ /pəːˈspɪsɪəns/rare
noun
Keen or clear perception; insight. In early use also: †the ability to see all things, infinite vision (obsolete ).
Origin
Late Middle English. From classical Latin perspicientia clear perception from perspicient-, perspiciēns, present participle of perspicere to see through + -ia; compare -ence.