Final answer:
The word from the list that best fits the definition is 'meritocracy'.
Step-by-step explanation:
The word from the list that best fits the definition of believing strongly in employing people for government positions based on merit is meritocracy. Meritocracy is a system in which individuals succeed based on their hard work and natural abilities rather than nepotism or random selection. It emphasizes the idea that the most qualified individuals should be chosen for government positions.