Assume

To take to or upon one's self; to take formally and demonstratively; sometimes, to appropriate or take unjustly.

To take for granted, or without proof; to suppose as a fact; to suppose or take arbitrarily or tentatively.

To pretend to possess; to take in appearance.

To receive or adopt.

To be arrogant or pretentious; to claim more than is due.

To undertake, as by a promise.