The term 'TREAT, IN A WAY' can be solved by two crossword solutions: MEDICATE (8 letters) and DOSE (4 letters). MEDICATE is a verb meaning to administer medicine or drugs to someone for the purpose of treating an illness or injury. DOSE is a noun meaning a measured amount of medicine or drug taken at a particular time. Both words refer to the act of administering medicine or drugs to someone in order to treat an illness or injury.