The phrase "is content" can be replaced by a variety of synonymous expressions to achieve a similar or more nuanced meaning. Some common synonyms for "is content" include "is satisfied," "is happy," "feels fulfilled," "is at ease," "is comfortable," "is pleased," "is gratified," "is delighted," "finds peace," and "is in harmony." These synonyms can be used to describe the emotional state of someone who is satisfied with their circumstances, both in their personal and professional lives. Whether used in casual conversation or formal writing, these synonyms can help to convey a range of emotions and attitudes associated with being content and fulfilled in one's life.