lend elegance(to – чему-л.: A domed corner turret, columned portico, and impressive stained and bevelled glass lend elegance to this fine home. (Ron Phillips)ART Vancouver)
enhance the elegance(of – чему-л.: The white cabinet doors feature a raised panel profile with fine golden trim, a subtle touch that enhances the elegance of the kitchen. – придаёт изяществаART Vancouver)