The phrase "had hand" is often used to describe someone who has played a role in something or has some level of involvement. There are several synonyms for this phrase, such as participated, contributed, assisted, collaborated, and worked with others. These words all convey the idea of being actively involved in a task or project. Other related terms include helped, supported, cooperated, and partnered, all of which connote a sense of teamwork and cooperation. Ultimately, the phrase "had hand" can be replaced with any number of words that capture the same sense of involvement and contribution, allowing for more diverse and nuanced language use in writing and conversation.