Assuming a pattern is a phrase that refers to the act of recognizing a consistent sequence of events or behaviors. When trying to convey this idea in writing, a few different synonyms can be utilized. One possible option is "recognizing a trend," which emphasizes the idea that a pattern has been discerned through careful observation. Another similar phrase is "discerning a pattern," which highlights the need for careful examination to uncover consistent behavior. Alternatively, "establishing a pattern" can be used to describe the act of figuring out the consistent sequence of events through a combination of observation and analysis. Overall, there are a variety of ways to convey the idea of assuming a pattern, depending on the context and desired emphasis.