Abortion is murder

take 2

 * (M-W dictionary.com)
 * It is only wrongful or illegal if society decides it is.
 * (M-W dictionary.com)
 * It is only wrongful or illegal if society decides it is.
 * (M-W dictionary.com)
 * It is only wrongful or illegal if society decides it is.
 * (M-W dictionary.com)
 * It is only wrongful or illegal if society decides it is.
 * It is only wrongful or illegal if society decides it is.
 * It is only wrongful or illegal if society decides it is.
 * It is only wrongful or illegal if society decides it is.

Rephrase #1: wrongful killing
The word "murder" in this usage seems to mean wrongful (rather than illegal) killing, so let's rephrase the claim on that basis:

Rephrase #2: deliberately ending a human life
Anti-abortionists seem to agree that killing animals is often acceptable (or at least a very different thing than killing people). It also seems important to unroll "killing" into "deliberately ending life", so as to unload the emotional associations.