2. (v. t.) To take for granted, or without proof; to suppose as a fact; to suppose or take arbitrarily or tentatively.
3. (v. t.) To pretend to possess; to take in appearance.
4. (v. t.) To receive or adopt.
5. (v. i.) To be arrogant or pretentious; to claim more than is due.
6. (v. i.) To undertake, as by a promise.