noun a stoppage or ending of armed conflict by mutual agreement of warring parties; armistice.A truce was finally reached after three years of fighting. See the full entry

intransitive verb to demean or humble oneself; abase oneself.He groveled to his boss, hoping to win back his favor. See the full entry

transitive verb to encourage and aid the growth or development of.Her parents fostered her dream of going to the Olympics.Unfair treatment tends to foster anger and hatred. adjective giving or receiving parental…

intransitive verb to enter into active and usu. violent opposition against an established authority or political system.When bread was scarce and the burden of taxes became unbearable, the citizens revolted. transitive verb…

noun a state in which parts on opposite sides of a plane, line, or point display the same size, form, or arrangement.Symmetry is a hallmark of this type of architecture. See the…