The root is "revel".
Assuming you trully meant "reveling" not "revealing", "pleasing" or "being pleased" (depending on usage) would be at least asynonym, 'cuz closest is an opinion.
Revelry means and refers to noisy activities and alcohol being consumed during these activities. You can use this word in a sentence by saying the party made sounds of revelry all around the neighborhood.
To revel is to take a lot of pleasure in something or to party in an enthusiastic way. A sentence using reveling is: She was reveling in the fact that her enemy was failing.
Fugitive has no root word it is the root word.
There is no root word of river. It itself is a root word.
the root word is'confirminglyishness'
Root word is usual.
the root word is decor and that is the root word of decorate
The root word is gift.
end is the root word
Reveling in her misery
Tri is the root word of intricate. The root word means three.