The phrase "for reason that" is often used to introduce a justification or explanation for something. However, there are many other phrases that can be used in its place. One alternative is "because," which is a more concise and direct way of conveying the same idea. "Due to the fact that" is another option, although it can sound more formal and may not be suitable for all situations. "Since" and "seeing as" are two more informal options that can be used in more casual settings. Ultimately, it's important to choose the phrase that best fits the tone and context of the situation.