Source : Webster's Revised Unabridged Dictionary (1913)

Committal \Com*mit"tal\, n.
   The act of committing, or the state of being committed;
   commitment.

Source : WordNet®

committal
     n 1: the official act of consigning a person to confinement (as
          in a prison or mental hospital) [syn: {commitment}, {consignment}]
     2: the act of committing a crime [syn: {perpetration}, {commission}]