Antonym of ANATHEMATISE

Anathematise : curse; condemn.
Radiate : emit (energy, especially light or heat) in the form of rays or waves.
Regulate : control or maintain the rate or speed of (a machine or process) so that it operates properly.
Deceive : deliberately cause (someone) to believe something that is not true, especially for personal gain.
Bless : pronounce words in a religious rite in order to confer or invoke divine favour upon; ask God to look favourably on.

Antonym of Anathematise is Bless