Assume

1. v. i. To undertake, as by a promise.
2. v. t. To take to or upon one’s self; to take formally and demonstratively; sometimes, to appropriate or take unjustly.
3. v. t. To take for granted, or without proof; to suppose as a fact; to suppose or take arbitrarily or tentatively.
4. v. t. To pretend to possess; to take in appearance.
5. v. t. To receive or adopt.
6. v. i. To be arrogant or pretentious; to claim more than is due.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.