Question 1
The root perspicac- comes from Latin meaning "sharp-sighted" or
"clear-seeing." A senior editor praised a junior reporter's analysis as
perspicacious, noting it revealed patterns no one else had
identified. What does perspicacious most likely mean?
Recognizing that "-ious" forms adjectives meaning "full of or
having the quality of," and that perspicac- means "sharp-sighted,"
gives: perspicacious = having the quality of sharp mental sight —
perceiving what others overlook. The suffix does the same work here as in
loquacious (full of speech) and tenacious (full of
holding-on).