The term 'PERTAINING TO THE MIND' can be summed up with the 6-letter word 'MENTAL'. This term is used to describe something that is related to the mind, such as MENTAL health, MENTAL illness, or MENTAL processes. It can also refer to the psychological aspects of a person's life, including their thoughts, feelings, and behavior. In general, it is used to describe anything that has to do with the mind or the MENTAL state of a person.