Assume

imp. & p. p. Assumed; p. pr. & vb. n. Assuming

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

   Trembling they stand while Jove assumes the throne.

   The god assumed his native form again.

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

   The consequences of assumed principles.

3. To pretend to possess; to take in appearance.

   Ambition assuming the mask of religion.

   Assume a virtue, if you have it not.

4. To receive or adopt.

   The sixth was a young knight of lesser renown and lower rank, assumed into that honorable company.

1. To be arrogant or pretentious; to claim more than is due.
2. To undertake, as by a promise. (Law)