The phrase "bear with" simply means to tolerate or endure something that may be difficult. There are several synonyms that can be used in place of "bear with" such as put up with, tolerate, endure, withstand, and suffer through. Each of these synonyms convey a similar meaning, but they have slightly different connotations that can alter the tone of a sentence. For example, using the phrase "put up with" implies a sense of annoyance or frustration whereas using the word "endure" indicates a more stoic sense of toughness while facing challenges. Overall, there are many synonyms that can be used in place of "bear with", and choosing the right one can help to convey a specific tone or feeling in your writing.