— imposingly , adv. — imposingness , n.
/im poh"zing/ , adj.
very impressive because of great size, stately appearance, dignity, elegance, etc.: Notre Dame, Rheims, and other imposing cathedrals of France.
[ 1645-55; IMPOSE + -ING 2 ]
Syn . dignified, majestic, lofty, grand, august.