devise > define

Come up with (an idea, plan, explanation, theory, or principle) after a mental effort.
- usage: "excogitate a way to measure the speed of light"
- synonyms: invent, contrive, excogitate, formulate, forge
Arrange by systematic planning and united effort.
- usage: "machinate a plot"; "organize a strike"; "devise a plan to take over the director's office"
- synonyms: organize, organise, prepare, get up, machinate
Give by will, especially real property. .

(v.t.) To imagine; to guess.
(v.t.) To give by will; -- used of real estate; formerly, also, of chattels.
(v.t.) To plan or scheme for; to purpose to obtain.
(n.) Property devised or given by will.
(n.) Device. See Device.
(v.t.) To say; to relate; to describe.
(v.i.) To form a scheme; to lay a plan; to contrive; to consider.
(n.) The act of giving or disposing of real estate by will; -- sometimes improperly applied to a bequest of personal estate.
(n.) A will or testament, conveying real estate; the clause of a will making a gift of real property.
(v.t.) To form in the mind by new combinations of ideas, new applications of principles or new arrangement of parts; to formulate by thought; to contrive; to excogitate; to invent; to plan; to scheme; as, to devise an engine, a new mode of writing, a plan of defense or an argument.

by Webster's Revised Unabridged Dictionary

devise is a transfer of real property under a will. The donor is the devisor, and the recipient is the devisee.