The word "with" is a common preposition that indicates association or accompaniment. However, there are several words that can be used to convey a similar meaning, such as "alongside," "in the company of," "accompanied by," "together with," "amidst," "beside," "in partnership with," "in conjunction with," "in collaboration with," "in union with," "in tandem with," "in alliance with," "cooperatively," "simultaneously," "at the same time as," "correspondingly," "concurrently," "in sync with," and "as well as." Choosing the right synonym for "with" can ensure clear communication and add variety to writing.