The balloon will ascend into the sky.
He watched the beautiful woman ascend the stairs.
Please take this rag and dust those stairs as you ascend to hide out in your room.
It took me 2 minutes to ascend the 10 flights of stairs. "Oh, for a muse of fire that would ascend the brightest heaven of invention."
You should be careful as you ascend the mountain
I had to ascend the stairs to the next floor.
Hypoxia can occur in healthy people when they ascend to high altitudes.
I am not writing a sentence using that word.
I am using the word treatise in the sentence.
a sentence using the word endotracheal
This is a sentence using the word aviator.
My grade point average will ascend if I study hard.
This is a sentence using the word monomer. :P
I am saying a sentence using the word collagen.
this is a sentence using the word armchair.
You could say something like "I watched him ascend the stairs".