At once and Crowd-pleasing

At once adverb - Without delay or hesitation; with no time intervening.

Crowd-pleasing and at once are semantically related. In some cases you can use "Crowd-pleasing" instead an adjective phrase "At once".

Crowd-pleasing adjective - Enjoying widespread favor or approval.

At once and crowd-pleasing are semantically related. Sometimes you can use "At once" instead an adjective phrase "Crowd-pleasing".