The phrase "sit still for" has several synonyms that convey a similar meaning. One of the common synonyms is "put up with," which means to tolerate or endure something unpleasant without protest. Another synonym is "tolerate," which signifies to allow or accept something that is difficult or uncomfortable. "Endure" is also a synonym for "sit still for," which means to bear or suffer through a difficult or challenging situation. Additionally, "accept," "bear," and "stomach" are also used as synonyms for this phrase. In essence, all of these words signify the ability to cope with unwanted or uncomfortable conditions without resistance or objection.