"Being sitting pretty" refers to a state of being in a comfortable and advantageous position. Synonyms for this phrase include "in a good place," "in the catbird seat," "on top of the world," "coasting," and "riding high." These phrases imply a sense of confidence, security, and success. Another synonym for "being sitting pretty" is "living the life of Riley," which originated from a song in the early 1900s describing a carefree and luxurious lifestyle. No matter what phrase you use, it is clear that being in a comfortable and advantageous position is something to strive for in life.