The phrase "make bed lie on it" means taking responsibility for one's actions. There are several synonyms for this phrase, including "reap what you sow," "face the consequences," "own up to it," "accept the outcome," and "deal with it." These phrases all indicate that a person must be prepared to accept the results of their actions, whether they are positive or negative. "Make bed lie on it" is often used to encourage people to think before they act and to make decisions that they are willing to stand behind. By understanding the consequences of their actions, individuals can learn to make more responsible choices and live with the outcomes.