Akademik

speechless
I adjective agape, aghast, amazed, aphonic, astonished, awe-struck, bewildered, dumb, dumbstruck, elinguis, gagged, inarticulate, incapable of utterance, indisposed to words, mum, mute, mutus, noiseless, open-mouthed, quiet, silent, soundless, stunned, stupefied, tacere, thunderstruck, tongue-tied, unable to speak, unvocal, voiceless, wordless II index mute, taciturn

Burton's Legal Thesaurus. . 2006