SMART GUYS is a term used to describe people who are intelligent, knowledgeable, and wise. The crossword solutions for this term are ALECS (5 letters), GENII (5 letters), ALECKS (6 letters), and SAGES (5 letters). ALECS is an alternate spelling of the name Alex, which is derived from the Greek name Alexander, meaning 'defender of men'. GENII is a plural form of the Latin word genius, which refers to a person of extraordinary intelligence or talent. ALECKS is an alternate spelling of the name Alec, which is derived from the Greek name Alexander, meaning 'defender of men'. SAGES is a plural form of the word sage, which is defined as a wise and respected person.