よくできた (translations)→ clever elaborate good
筋の通った (translations)→ impregnable rational reasonable
賢い (translations)→ brilliant sane smart wise
知性 (translations)→ intelligence nous
知的な (translations)→ highbrow intellectual sophisticated
頭がいい (translations)→ alert gifted ingenious
頭のいい (translations)→ bright sensible
intelligently intelligentsia