1. cognition
Cognition is the mental process involved in knowing, learning, and understanding things.
e.g. To facilitate one's own process of cognition and one's communication with others, one must be able to choose the right word from the extensive vocabulary of the English language.
2. scenario
If you talk about a likely or possible scenario, you are talking the way in which a situation may develop.
3. degree
You use 'degree' to indicate the extent to which something happens or is the case or the amount which something felt.
e.g. A degree of cautious optimism is justified.
