To authenticate by means of belief; to surmise; to suppose to be true, especially without proof / To take on a position, duty or form

simple past tense and past participle of assume

Used in a manner intended to deceive; pretended; simulated. / Supposed or presumed.

Third-person singular simple present indicative form of assume

One who assumes.

plural of assumer

present participle of assume

An assumption.

haughty; arrogant

Capable of being assumed, or taken to be true. / Capable of being assumed, or taken on.