Synonyms and related words :
abstract, biased, cerebral, conceptive, conceptual, deep-seated, egocentric, egoistic, endopsychic, esoteric, idiosyncratic, immanent, implanted, implicit, inalienable, individual, indwelling, infixed, ingoing, ingrained, inherent, inner, inner-directed, intellectual, intelligent, internal, intrinsic, introversive, introvert, introverted, inward, inwrought, irreducible, mental, noetic, nominative, nonobjective, noological, personal, phrenic, prejudiced, private, psychic, psychologic, rational, reasoning, resident, secret, self-serving, selfish, spiritual, thinking, unalienable, unchallengeable, unquestionable