vet

Another word with multiple meanings, but I'll skip the obvious one and jump to the more interesting one :)

Pronunciation: vet (listen to it on dictionary.com)

Verb: to verify the accuracy, authenticity, validity of something. Brit: to investigate someone thoroughly to make sure they are suitable for a job requiring trustworthiness and loyalty.

Etymology: 19th century

Usage: The doc fully vetted the new royal dog and declared him free of bugs, both literally and figuratively.