The term 'get in a lather' is an idiom that means to become agitated or angry. The crossword solutions for this term are BATHE (5 letters), STEW (4 letters), RILE (4 letters), and soapup (6 letters). Bathing is the act of washing oneself with water, usually in a bathtub or shower. To STEW is to simmer food in liquid over low heat for a long period of time. To RILE is to make someone angry or agitated. Soapup is a verb meaning to lather up with soap. All of these words relate to the phrase 'get in a lather' as they all involve some form of agitation or anger.