Majestically

Fits when broad visible impact matters more than stately character

Careful Impressively does not identify dignity, grandeur, or the source of the effect.

Fits when size or presence commands attention

Careful Imposingly can suggest threat and does not guarantee beauty.

Fits when beauty or quality is exceptionally impressive

Careful Magnificently covers lively brilliance too, whereas majestic manner requires calm grandeur.

Fits when something moves with measured dignity

Careful Stately is usually an adjective and cannot replace an adverb in every construction.

Fits when the noun names the effect more naturally than an adverb

Careful The phrase is heavier and less fluid in a simple narrative sentence.

Fits when scale or display is deliberately impressive

Careful Grandly can imply pretension or flourish rather than natural dignity.

Fits when dignity or elevated character shapes the manner

Careful Nobly often makes a moral judgment rather than describing appearance.

Fits when posture or movement recalls royal bearing

Careful Regally is theatrical if no comparison with royalty is intended.

Fits when dignity and smooth movement both matter

Careful This phrase is too ornate for concise factual description.