Chancing

Why don't you actually consider your situation instead of just chancing it?

Chancing upon an unusually beautiful woman one table away, Julian began to visibly shake.

Chancing to come before the mirror, he saw that he was unusually pale, and that his eyes had a swollen look.

Although some of the subjects treated of are deciduous, all of them last for seasons; and such is the intention of the book, whatever may be its chance in a world of chancings.

I did not know what better or worse / Chancings might bless or curse […]