Reliable
Part of speech: noun
Definition: Something or someone reliable
Part of speech: adjective
Definition: Suitable or fit to be relied on; worthy of dependence or reliance; trustworthy Such that either a sent packet will reach its destination, even if it requires retransmission, or the sender will be told that it didn't
Example sentence: When Henry Ford made cheap, reliable cars people said, 'Nah, what's wrong with a horse?' That was a huge bet he made, and it worked.
Tested
Part of speech: verb
Definition: To challenge.
Example sentence: The future is not Big Government. Self-serving politicians. Powerful bureaucrats. This has been tried, tested throughout history. The result has always been disaster. President Obama, your agenda is not new. It's not change, and it's not hope.