retentive

from WordNet (r) 3.0 (2006)

retentive
    adj 1: good at remembering; "a retentive mind"; "tenacious
           memory" [syn: {retentive}, {recollective}, {long},
           {tenacious}] [ant: {forgetful}, {short}, {unretentive}]
    2: having the capacity to retain something
    3: having the power, capacity, or quality of retaining water;
       "soils retentive of moisture"

from The Collaborative International Dictionary of English v.0.48

Retentive \Re*ten"tive\, a. [Cf. F. r['e]tentif.]
   Having power to retain; as, a retentive memory.
   [1913 Webster]

         Nor airless dungeon, nor strong links of iron,
         Can be retentive to the strength of spirit. --Shak.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Retentive \Re*ten"tive\, n.
   That which retains or confines; a restraint. [R.] --Bp. Hall.
   [1913 Webster]

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