assuming

fe’l verb

1. To 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. To take on a position, duty or form Mr. Jones will assume the position of a lifeguard until a proper replacement is found.
3. To adopt a feigned quality or manner; to claim without right; to arrogate He assumed an air of indifference
4. To receive, adopt (a person)

ot noun

1. An assumption.

sifat adjective

1. Haughty; arrogant