Precatory words
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
Words of entreaty, request, desire, wish, or recommendation, employed in wills, as distinguished from direct and imperative terms, 1 Williams, Bx'rs, 88, 89, and note.
And see Pratt V. Miller, 23 Neb. 496, 37 N. W. 263; Pratt v. Pratt Hospital, 88 Md. 610, 42 Atl. 51.