To carry, practice and implement a law in its letter and spirit.
executive
faithfully executed
The President
Both the Oath of Office and the requirement that the President take care that the laws be faithfully executed are specified in the US Constitution.
to ensure that laws are faithfully executed
represent the nation in dealing with other countries, and take care that the laws be faithfully executed.
It's Latin for "diligently and faithfully"
faithfully detention.
One of the most important duties of the President is to ensure that all laws are faithfully executed. He also has the power to sign or veto legislation.
Comparative: more faithfully Superlative: most faithfully
Yours Faithfully
I believe you mean: What was Marie Antoinette executed by? Well, sadly she was executed by the guillotine :)