Imposingness is a quality that is attributed to things that appear grand, impressive or awe-inspiring. It is often used to describe structures, buildings, and monuments that are large and dominating. Synonyms for imposingness can be grandeur, majesty, magnificence, impressiveness, and grandiosity. These words all convey the same sense of scale and power that come with something imposing. Other synonyms for imposingness include sovereignty, splendor, stateliness, and opulence. Words like these can help to evoke the sense of awe and wonder that comes with experiencing something truly imposing, whether it is the grandeur of a mountain range or the magnificence of a towering building.