Source : Webster's Revised Unabridged Dictionary (1913)

Attendance \At*tend"ance\, n. [OE. attendance, OF. atendance,
   fr. atendre, F. attendre. See {Attend}, v. t.]
   1. Attention; regard; careful application. [Obs.]

            Till I come, give attendance to reading. --1 Tim.
                                                  iv. 13.

   2. The act of attending; state of being in waiting; service;
      ministry; the fact of being present; presence.

            Constant attendance at church three times a day.
                                                  --Fielding.

   3. Waiting for; expectation. [Obs.]

            Languishing attendance and expectation of death.
                                                  --Hooker.

   4. The persons attending; a retinue; attendants.

            If your stray attendance by yet lodged. --Milton.

Source : WordNet®

attendance
     n : the act of being present (at a meeting or event etc.) [syn:
         {attending}] [ant: {nonattendance}]