When is a gift not a gift?

The absence of free will nullifies the viability of any perceived gift in actually being a gift Any supposed gift not freely offered or freely chosen is not a gift at all. For by grace are ye saved through faith; and that not of yourselves: it is the gift of God: Ephesians 2:8 The definition of "gift" according to Calvinism and others who accept a similar view has been modified to meaning something other than what a gift really is. 

To the Calvinist a gift from God has to be a decreed mandate in that it cannot be rejected, either at the initial offering or post-acceptance. So the answer to 'when is a gift not a gift?' is, when a Calvinist defines it...