Source : Webster's Revised Unabridged Dictionary (1913)

Omit \O*mit"\, v. t. [imp. & p. p. {Omitted}; p. pr. & vb. n.
   {Omitting}.] [L. omittere, omissum; ob (see {Ob-} + mittere
   to cause to go, let go, send. See {Mission}.]
   1. To let go; to leave unmentioned; not to insert or name; to
      drop.

            These personal comparisons I omit.    --Bacon.

   2. To pass by; to forbear or fail to perform or to make use
      of; to leave undone; to neglect.

            Her father omitted nothing in her education that
            might make her the most accomplished woman of her
            age.                                  --Addison.

Source : WordNet®

omit
     v 1: prevent from being included or considered or accepted; "The
          bad results were excluded from the report"; "Leave off
          the top piece" [syn: {exclude}, {except}, {leave out}, {leave
          off}, {take out}] [ant: {include}]
     2: leave undone or leave out; "How could I miss that typo?";
        "The workers on the conveyor belt miss one out of ten"
        [syn: {neglect}, {pretermit}, {drop}, {miss}, {leave out},
         {overlook}, {overleap}] [ant: {attend to}]
     [also: {omitting}, {omitted}]

omitting
     See {omit}