INTELLIGENT
intelligent
(adjective) having the capacity for thought and reason especially to a high degree; “is there intelligent life in the universe?”; “an intelligent question”
intelligent, reasoning, thinking
(adjective) endowed with the capacity to reason
healthy, intelligent, levelheaded, level-headed, sound
(adjective) exercising or showing good judgment; “healthy scepticism”; “a healthy fear of rattlesnakes”; “the healthy attitude of French laws”; “healthy relations between labor and management”; “an intelligent solution”; “a sound approach to the problem”; “sound advice”; “no sound explanation for his decision”
intelligent, well-informed
(adjective) possessing sound knowledge; “well-informed readers”
Source: WordNet® 3.1
Etymology
Adjective
intelligent (comparative more intelligent or intelligenter, superlative most intelligent or intelligentest)
Of high or especially quick cognitive capacity, bright.
Well thought-out, well considered.
Characterized by thoughtful interaction.
Having the same level of brain power as mankind.
Having an environment-sensing automatically-invoked built-in computer capability.
Synonyms
• (of high or quick cognitive capacity): See Thesaurus:intelligent
• (same level of brain power as mankind): See Thesaurus:self-aware
Antonyms
• stupid
Source: Wiktionary
In*tel"li*gent, a. Etym: [L. intelligens, intellegens, -entis, p. pr.
of intelligere, intellegere, to perceive; inter between + legere to
gather, collect, choose: cf. F. intelligent. See Legend.]
1. Endowed with the faculty of understanding or reason; as, man is an
intelligent being.
2. Possessed of intelligence, education, or judgment; knowing;
sensible; skilled; marked by intelligence; as, an intelligent young
man; an intelligent architect; an intelligent answer.
3. Gognizant; aware; communicate. [Obs.]
Intelligent of seasons. Milton.
Which are to France the spies and speculations Intelligent of our
state. Shak.
Syn.
– Sensible; understanding. See Sensible.
Source: Webster’s Unabridged Dictionary 1913 Edition