The crossword solution for the term 'NOT BE PASSIVE' is 'ACT, ' which is a three-letter word. The term 'ACT' is an acronym for the phrase 'Active Constructive Responding, ' which is a communication style that encourages people to be proactive and take action instead of being passive. This communication style is based on the idea that people should take initiative and be responsible for their own actions. It also encourages people to be open and honest in their communication, as well as to be respectful and considerate of others.