intellection C2+

/ˌɪntəˈlɛkʃən/ the action or process of understanding by the intellect; reasoning

intellectualism C2+

/ˌɪntəˈlɛktʃuəˌlɪzəm/ devotion to or emphasis on intellect and rational thought

intellectualize C2+

/ˌɪntəˈlɛktʃuəˌlaɪz/ to treat or examine in a rational rather than emotional way

intelligencer C2+

/ɪnˈtɛlɪdʒənsɚ/ one who conveys news or secret information; an informer or spy (archaic)