Answer: perjure

AnswerCrossword Clue
PERJURELie, with "oneself"
PERJURESwear falsely, with "oneself"
PERJUREForswear
PERJUREGive false testimony
PERJURELie, in court
PERJURESwear falsely
perjureto lie under oath
perjureto make a perjurer of