Composure
Control over expression
Exponential
Steadily increasing
Imposition
A burden
Repository
A place designated for storage
Instantaneous
Happening immediately
Reinstate
To bring back into existence
Inconstant
Not lasting
Synthesize
To combine
Parenthetical
Explaining the main idea
Hypothesis
A theory
Pos (prefix)
To put
Stan (prefix)
To stand
Thes (prefix)
Placing