The term 'IN ___ (INTRINSICALLY)' can be solved by two different crossword solutions: ITSELF (6 letters) and ESSE (4 letters). The word ITSELF is an English pronoun that is used to refer to a person or thing previously mentioned or easily identified. It is used to emphasize the identity of the noun it refers to. The word ESSE is Latin for 'to be' and is used to express existence or a state of being. Both words are used to describe something that is intrinsic or inherent to a person or thing.