Many faces on that day are in pleasure.
Other faces on that day will be full of joy
(Whereas other) faces on that Day will be joyful
Faces on that day will be happy
Faces/fronts (on) that day (are) comfortable and eased/happy/smooth
On the other hand, on that day there will be faces full of joy
Many a face will be in serenity on that day
And some faces on that day will be joyful
(On the contrary) that Day a number of faces will be (pleasing to the eye,) glowing with joy and freshness
On that day some (other) persons will be fresh and joyful
(Other) faces, that Day, will be joyful