To ensure rigidity the rudder must be stayed with guy wires.

The success no man can ensure; but for the fighting them, if they can be got at, I pledge myself.

He had resolved to ensure his silence; and he looked to the end, not the means.

A man might do it once by good luck, but none could ensure it.'

But the writings and readings of men will not be enough to ensure this.

His safety appeared to us the most pressing matter to ensure.

And throw a penny into the Trevi fountain to ensure your return?

This will make it hot, and ensure its being perfectly clean.

And a Committee of Vigilance would be appointed to ensure its effectual working.

If at the price of it he could ensure safety to Rosamund, that price he would gladly pay.