deceivingly

transitive verb deceived, deceiving

1. to make (a person) believe what is not true; delude; mislead
2. Archaic to be false to; betray
3. Archaic to while away (time)

Origin: ME deceiven < OFr deceveir < L decipere, to ensnare, deceive < de-, from + capere, to take: see have

intransitive verb