A demonstrated amount.
A particular amount, often a large or excessive amount.
To a certain degree or extent
To such a quantity, degree etc.
Reason.
An exclamation used to express pleasant or unpleasant mild surprise, indignation, or impatience.
For which cause, reason, or purpose.
The cause, reason, or purpose for which.
Introducing a noun or other phrase.
Introducing a verb phrase (bare infinitive clause).
Introducing a complete question.
With a negative, used rhetorically to make a suggestion.