Answer: underoath

AnswerCrossword Clue
UNDEROATHHow witnesses usually testify
UNDEROATHSworn in, as in court
UNDEROATHCommitted to the truth, in court
UNDEROATHSworn to tell the truth
UNDEROATHLike a court witness
UNDEROATHRestricted from making inventions, in a way
UNDEROATHSworn