Wiktionary
vb. to reflect on
Usage examples of "reflect upon".
I concealed these struggles, because I hated to reflect upon my own faults.
And a thought as yet undreamed in the farthest future could reflect upon the now and move his hand.
Somewhere he had to find wisdom, an inner balance which would reflect upon the universe and return to him an image of calm strength.
It confounds the mind to reflect upon what might be discovered if such a place ever comes to light'-t.
But you, Castruccio, reflect upon the misery you cause, if you refuse to spare my unfortunate friend.
Look at yourself in the mirror and reflect upon the fact that you are beholding ten thousand trillion cells, and that almost every one of them holds two yards of densely compacted DNA, and you begin to appreciate just how much of this stuff you carry around with you.