The Collaborative International Dictionary of English v.0.48:

Remember \Re*mem"ber\ (r?-m?m"b?r), v. t. [imp. & p. p.
   Remembered (-b?rd); p. pr. & vb. n. Remembering.] [OF.
   remebrer, L. rememorari; pref. re- re- + memorare to bring to
   remembrance, from memor mindful. See Memory, and cf.
   Rememorate.]
   1. To have (a notion or idea) come into the mind again, as
      previously perceived, known, or felt; to have a renewed
      apprehension of; to bring to mind again; to think of
      again; to recollect; as, I remember the fact; he remembers
      the events of his childhood; I cannot remember dates.
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            We are said to remember anything, when the idea of
            it arises in the mind with the consciousness that we
            have had this idea before.            --I. Watts.
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   2. To be capable of recalling when required; to keep in mind;
      to be continually aware or thoughtful of; to preserve
      fresh in the memory; to attend to; to think of with
      gratitude, affection, respect, or any other emotion.
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            Remember the Sabbath day, to keep it holy. --Ex. xx.
                                                  8.
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            That they may have their wages duly paid 'em,
            And something over to remember me by. --Shak.
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            Remember what I warn thee; shun to taste. --Milton.
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   3. To put in mind; to remind; -- also used reflexively and
      impersonally. [Obs.] "Remembering them the trith of what
      they themselves known." --Milton.
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            My friends remembered me of home.     --Chapman.
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            Remember you of passed heaviness.     --Chaucer.
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            And well thou wost [knowest] if it remember thee.
                                                  --Chaucer.
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   4. To mention. [Obs.] "As in many cases hereafter to be
      remembered." --Ayliffe.
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   5. To recall to the mind of another, as in the friendly
      messages, remember me to him, he wishes to be remembered
      to you, etc.
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The Collaborative International Dictionary of English v.0.48:

Remember \Re*mem"ber\ (r?-m?m"b?r), v. i.
   To execise or have the power of memory; as, some remember
   better than others. --Shak.
   [1913 Webster]

WordNet (r) 3.0 (2006):

remember
    v 1: recall knowledge from memory; have a recollection; "I can't
         remember saying any such thing"; "I can't think what her
         last name was"; "can you remember her phone number?"; "Do
         you remember that he once loved you?"; "call up memories"
         [syn: remember, retrieve, recall, call back, call
         up, recollect, think] [ant: blank out, block,
         draw a blank, forget]
    2: keep in mind for attention or consideration; "Remember the
       Alamo"; "Remember to call your mother every day!"; "Think of
       the starving children in India!" [syn: remember, think
       of] [ant: bury, forget]
    3: recapture the past; indulge in memories; "he remembered how
       he used to pick flowers" [syn: remember, think back]
    4: show appreciation to; "He remembered her in his will"
    5: mention favorably, as in prayer; "remember me in your
       prayers"
    6: mention as by way of greeting or to indicate friendship;
       "Remember me to your wife" [syn: commend, remember]
    7: exercise, or have the power of, memory; "After the shelling,
       many people lost the ability to remember"; "some remember
       better than others"
    8: call to remembrance; keep alive the memory of someone or
       something, as in a ceremony; "We remembered the 50th
       anniversary of the liberation of Auschwitz"; "Remember the
       dead of the First World War" [syn: commemorate, remember]