The Collaborative International Dictionary of English v.0.48:

Mature \Ma*ture"\, v. t. [imp. & p. p. Matured; p. pr. & vb.
   n. Maturing.] [See Maturate, Mature.]
   To bring or hasten to maturity; to promote ripeness in; to
   ripen; to complete; as, to mature one's plans. --Bacon.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Mature \Ma*ture"\, v. i.
   1. To advance toward maturity; to become ripe; as, wine
      matures by age; the judgment matures by age and
      experience.
      [1913 Webster]

   2. Hence, to become due, as a note.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Mature \Ma*ture"\, a. [Compar. Maturer; superl. Maturest.]
   [L. maturus; prob. akin to E. matin.]
   [1913 Webster]
   1. Brought by natural process to completeness of growth and
      development; fitted by growth and development for any
      function, action, or state, appropriate to its kind;
      full-grown; ripe.
      [1913 Webster]

            Now is love mature in ear.            --Tennison.
      [1913 Webster]

            How shall I meet, or how accost, the sage,
            Unskilled in speech, nor yet mature of age? --Pope.
      [1913 Webster]

   2. Completely worked out; fully digested or prepared; ready
      for action; made ready for destined application or use;
      perfected; as, a mature plan.
      [1913 Webster]

            This lies glowing, . . . and is almost mature for
            the violent breaking out.             --Shak.
      [1913 Webster]

   3. Of or pertaining to a condition of full development; as, a
      man of mature years.
      [1913 Webster]

   4. Come to, or in a state of, completed suppuration.
      [1913 Webster]

   Syn: Ripe; perfect; completed; prepared; digested; ready.

   Usage: Mature, Ripe. Both words describe fullness of
          growth. Mature brings to view the progressiveness of
          the process; ripe indicates the result. We speak of a
          thing as mature when thinking of the successive stayes
          through which it has passed; as ripe, when our
          attention is directed merely to its state. A mature
          judgment; mature consideration; ripe fruit; a ripe
          scholar.
          [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

developed \developed\ adj.
   1. being changed over time so as to be e.g. stronger or more
      complete or more useful; as, the developed qualities of
      the Hellenic outlook; the state's well-developed
      industries. Oppositre of undeveloped. [Narrower terms:
      formulated; mature]
      [WordNet 1.5]

   2. made more useful and profitable as by building or laying
      out roads; -- of real estate. new houses are springing up
      on the developed tract of land near the river

   Syn: improved.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

mature
    adj 1: characteristic of maturity; "mature for her age" [ant:
           immature]
    2: fully considered and perfected; "mature plans" [syn:
       mature, matured]
    3: having reached full natural growth or development; "a mature
       cell" [ant: immature]
    4: fully developed or matured and ready to be eaten or used;
       "ripe peaches"; "full-bodied mature wines" [syn: ripe,
       mature] [ant: green, immature, unripe, unripened]
    5: (of birds) having developed feathers or plumage; often used
       in combination [syn: fledged, mature] [ant: immature,
       unfledged]
    v 1: develop and reach maturity; undergo maturation; "He matured
         fast"; "The child grew fast" [syn: mature, maturate,
         grow]
    2: develop and work out fully in one's mind; "I need to mature
       my thoughts"
    3: become due for repayment; "These bonds mature in 2005"
    4: cause to ripen or develop fully; "The sun ripens the fruit";
       "Age matures a good wine" [syn: ripen, mature]
    5: grow old or older; "She aged gracefully"; "we age every day--
       what a depressing thought!"; "Young men senesce" [syn:
       senesce, age, get on, mature, maturate]
    6: cause to ripen and discharge pus; "The oil suppurates the
       pustules" [syn: suppurate, mature]