the mind > emotion > fear > quality of inspiring fear > quality of being awesome > [noun] (7)
The capacity or power to inspire fear or reverential wonder. Cf. earlier eye, n.2 3. Now archaic.
The quality of striking awe into someone, esp. of filling an onlooker with awe or dread. Now archaic.
The quality of causing someone to be filled with awe; (in weaker sense) the quality of being extremely impressive or remarkable, esp. dauntingly so.