mendacious \men-DAY-shuhs\, adjective:
1. Given to deception or falsehood; lying; untruthful; as, a mendacious person.
2. False; untrue; as, a mendacious statement.
supervene \soo-pur-VEEN\, intransitive verb:
1. To take place or occur as something additional, extraneous, or unexpected (sometimes followed by 'on' or 'upon').
2. To follow immediately after; to ensue.