There are several synonyms for the phrase "comfortable majority," all of which imply a significant margin of superiority. Some of these synonyms include "decisive majority," "clear majority," "overwhelming majority," and "commanding majority." Each of these phrases convey a level of confidence in the lead that a particular party or group holds in a given situation. The use of these synonyms can serve to emphasize the level of support or power a particular entity holds, and can be useful for conveying a sense of confidence when discussing analysis or predictions about an upcoming election or other situation where majorities and margins matter.