The crossword solution for the term 'LOCK UP, SAY' is 'PUNISH'. Punishment is a form of discipline that is used to correct or deter a person from engaging in an undesirable behavior. It is often used as a form of retribution for a crime or wrongdoing. Punishment can take many forms, including physical, psychological, and financial. It is important to note that punishment should be used as a last resort and should be tailored to the individual's needs.