Boast : talk with excessive pride and self-satisfaction about one's achievements, possessions, or abilities.Remember : have in or be able to bring to one's mind an awareness of (someone or something from the past).Manipulate : handle or control (a tool, mechanism, information, etc.) in a skilful manner.Harmonise : add notes to (a melody) to produce harmony.Commemorate : recall and show respect for (someone or something).Synonym of Commemorate is Remember