The Collaborative International Dictionary of English v.0.48:

Lasting \Last"ing\, a.
   Existing or continuing a long while; enduring; as, a lasting
   good or evil; a lasting color.
   [1913 Webster]

   Syn: Durable; permanent; undecaying; perpetual; unending.

   Usage: Lasting, Permanent, Durable. Lasting commonly
          means merely continuing in existence; permanent
          carries the idea of continuing in the same state,
          position, or course; durable means lasting in spite of
          agencies which tend to destroy.
          [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Lasting \Last"ing\, n.
   1. Continuance; endurance. --Locke.
      [1913 Webster]

   2. A species of very durable woolen stuff, used for women's
      shoes; everlasting.
      [1913 Webster]

   3. The act or process of shaping on a last.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Last \Last\, v. i. [imp. & p. p. Lasted; p. pr. & vb. n.
   Lasting.] [OE. lasten, As. l[ae]stan to perform, execute,
   follow, last, continue, fr. l[=a]st, l[=ae]st, trace,
   footstep, course; akin to G. leisten to perform, Goth.
   laistjan to follow. See Last mold of the foot.]
   1. To continue in time; to endure; to remain in existence.
      [1913 Webster]

            [I] proffered me to be slave in all that she me
            would ordain while my life lasted.    --Testament of
                                                  Love.
      [1913 Webster]

   2. To endure use, or continue in existence, without
      impairment or exhaustion; as, this cloth lasts better than
      that; the fuel will last through the winter.
      [1913 Webster]

WordNet (r) 3.0 (2006):

lasting
    adj 1: continuing or enduring without marked change in status or
           condition or place; "permanent secretary to the
           president"; "permanent address"; "literature of permanent
           value" [syn: permanent, lasting] [ant: impermanent,
           temporary]
    2: existing for a long time; "hopes for a durable peace"; "a
       long-lasting friendship" [syn: durable, lasting, long-
       lasting, long-lived]
    3: retained; not shed; "persistent leaves remain attached past
       maturity"; "the persistent gills of fishes" [syn:
       persistent, lasting] [ant: caducous, shed]
    4: lasting a long time without change; "a lasting relationship"