Webster's Revised Unabridged Dictionary (1913 + 1828)
result(s) from the 1913
Al"ter (#), v. t. [imp. & p. p. Altered (#); p. pr. & vb. n. Altering.] [F. altérer, LL. alterare, fr. L. alter other, alius other. Cf. Else, Other.]
1. To make otherwise; to change in some respect, either partially or wholly; to vary; to modify. To alter the king's course." To alter the condition of a man." No power in Venice can alter a decree."
It gilds all objects, but it alters none.
My covenant will I not break, nor alter the thing that is gone out of my lips.
Ps. lxxxix. 34.
2. To agitate; to affect mentally. [Obs.]
3. To geld. [Colloq.]
Syn. -- Change, Alter. Change is generic and the stronger term. It may express a loss of identity, or the substitution of one thing in place of another; alter commonly expresses a partial change, or a change in form or details without destroying identity.
Al"ter, v. i. To become, in some respects, different; to vary; to change; as, the weather alters almost daily; rocks or minerals alter by exposure. The law of the Medes and Persians, which altereth not."
Dan. vi. 8.