Source : Webster's Revised Unabridged Dictionary (1913)

Lenient \Le"ni*ent\ (l[=e]"n[i^]*ent or l[=e]n"yent), a. [L.
   leniens, -entis, p. pr. of lenire to soften, fr. lenis soft,
   mild. Cf. {Lithe}.]
   1. Relaxing; emollient; softening; assuasive; -- sometimes
      followed by of. ``Lenient of grief.'' --Milton.

            Of

Lenient \Le"ni*ent\, n. (Med.)
   A lenitive; an emollient.

Source : WordNet®

lenient
     adj 1: tolerant or lenient; "indulgent parents risk spoiling their
            children"; "procedures are lax and discipline is
            weak"; "too soft on the children" [syn: {indulgent}, {lax},
             {soft}]
     2: not strict; "an easy teacher"; "easy standards"; "lenient
        rules" [syn: {easy}]
     3: characterized by tolerance and mercy