The new curriculum was built upon feedback from teachers and students.

The team is building upon last year's design to create a more sustainable product.

I, upon reflection, realized I had misunderstood the instructions.

If you could condescend upon the precise deadline for the manuscript, I will arrange my schedule accordingly.

I swear upon my father's grave that I will tell the truth.

He vowed to expose the lies of anyone who tried to breathe upon his reputation.

Visitors are barred from entering the laboratory upon pain of immediate expulsion.

She placed her palm upon the pad to complete the fingerprint scan.

While exploring the old bookstore, I chanced upon a first edition of my favorite novel.

Chancing upon an old photograph in the attic, she spent the afternoon remembering stories she had almost forgotten.