Definitions
1.verbTo authenticate by means of belief; to surmise; to suppose to be true, especially without proof"We assume that, as her parents were dentists, she knows quite a bit about dentistry."
2.verbTo take on a position, duty or form"Mr. Jones will assume the position of a lifeguard until a proper replacement is found."
3.verbTo adopt a feigned quality or manner; to claim without right; to arrogate"He assumed an air of indifference"
4.verbTo receive, adopt (a person)
5.verbTo adopt (an idea or cause)
6.nounAn assumption.
7.adjectiveHaughty; arrogant