at will

from Wiktionary, Creative Commons Attribution/Share-Alike License

• at one's preference; as one sees fit

from the GNU version of the Collaborative International Dictionary of English

• n. at pleasure. To hold an estate at the will of another, is to enjoy the possession at his pleasure, and be liable to be ousted at any time by the lessor or proprietor. An estate at will is at the will of both parties.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adv. as one chooses or pleases