ex si·len·tio \ˌek(s)sə̇ˈlenchēˌō, -)ˌsīˈ-\adverb (or adjective) ore silentio\ˌēsə̇-, ˌēˌsī-\ Etymology: Latin ex silentio from silence : from the fact of lack of specific evidence (as of written or oral attestation) < an argument that was built up wholly ex silentio >