"Kept together" refers to the act of maintaining the unity or coherence of a group or a thing. The phrase can be replaced by several other words that can equally convey the same meaning. One such alternative is "united," which signifies being joined as one without any significant divisions. Another synonym that could be used is "cohesive," which means sticking closely together and forming a unified whole. Additionally, "intact" can replace "kept together" and refers to something that is complete and not damaged. "Consolidated" is another option meaning to bring together and strengthen the unity of something. Therefore, there are plenty of alternatives to "kept together," each with its shade of meaning.