politeness noun

ADJ. common, conventional It's no more than common politeness to hear what she has to say. | formal | social | natural Her natural politeness could not hide the distress in her voice. | exaggerated, excessive

PREP. out of ~ They accepted the food more out of politeness than because they were hungry. | with ~ They greeted their visitor with formal politeness.

PHRASES a veneer of politeness His veneer of politeness concealed a ruthless determination.