مُؤَثّر: فَعّال، ذُو تَأثِير efficacious, effectual, effective; operative; influential; swaying; acting (upon), affecting; influencing

مُؤَثّر: مُحَرّك، مُثِير (لِلْمَشَاعِرِ إلخ) moving, touching, pathetic, poignant, affecting, affective, sentimental, emotional, emotive, impassioning, commoving, stirring, exciting, soul-stirring; impressive

مُؤَثّر، عَامِلٌ مُؤَثّر influence, influencing factor; stimulus

مُؤَثّرَات effects

مُؤَثّرَاتٌ خَاصّة special effects

مُؤَثّرَاتٌ صَوْتِيّة sound effects