مؤثر

مُؤَثِّر \ effective: having a good or useful effect: Her efforts to improve the school have been very effective. impressive: produsing a strong (and usu. good) effect on the mind: an impressive result; an impressive speaker. influence: sb. or sth. that has an effect on sb. or sth. else; effect: The strongest influences on his young life were the village schoolmaster and the priest. moving: having a strong effect on the feelings; causing pity: The music was so moving that I wanted to cry. \ See Also لَه وَقْعٌ في النَّفْس