Definify.com
Webster 1913 Edition
Execute
Ex′e-cute
,Verb.
 T.
 [
imp. & p. p. 
Executed
; p. pr. & vb. n. 
Executing
.] 1. 
To follow out or through to the end; to carry out into complete effect; to complete; to finish; to effect; to perform. 
Why delays
His hand to
Fixed on this day?
His hand to
execute 
what his decreeFixed on this day?
Milton.
2. 
To complete, as a legal instrument; to perform what is required to give validity to, as by signing and perhaps sealing and delivering; 
as, to 
 execute 
a deed, lease, mortgage, will, etc.3. 
To give effect to; to do what is provided or required by; to perform the requirements or stipulations of; 
as, to 
. execute 
a decree, judgment, writ, or process4. 
To infect capital punishment on; to put to death in conformity to a legal sentence; 
as, to 
. execute 
a traitor5. 
To put to death illegally; to kill. 
[Obs.] 
Shak.
 
Syn. – To accomplish; effect; fulfill; achieve; consummate; finish; complete. See 
 Accomplish
. Ex′e-cute
,Verb.
 I.
 1. 
To do one’s work; to act one's part or purpose. 
[R.] 
Hayward.
 2. 
To perform musically. 
Webster 1828 Edition
Execute
EX'ECUTE
,Verb.
T.
  1.
  Literally, to follow out or through.  Hence, to perform; to do; to effect; to carry into complete effect; to complete; to finish.  We execute a purpose, a plan, design or scheme; we execute a work undertaken, that is, we pursue it to the end.2.
  To perform; to inflict; as, to execute judgment or vengeance.3.
  To carry into effect; as, to execute law or justice.4.
  To carry into effect the law, or the judgment or sentence on a person; to inflict capital punishment on; to put to death; as, to execute a traitor.5.
  To kill.6.
  To complete, as a legal instrument; to perform what is required to give validity to a writing, as by signing and sealing; as, to execute a deed or lease.EX'ECUTE
,Verb.
I.