depone

It was not in his quality as confessor that Fra Gervasio heard the dying man depone.

From The Strolling Saint; being the confessions of the high and mighty Agostino D'Anguissola, tyrant of Mondolfo and Lord of Carmina in the state of Piacenza by Sabatini, Rafael

These two females did afterwards depone that Mr Willet in his consternation uttered but one word, and called that up the stairs in a stentorian voice, six distinct times.

From Barnaby Rudge: a tale of the Riots of 'eighty by Dickens, Charles

This Nichol Somerville, Mr. Mitchel's brother-in-law, offered, in court, to depone, That the arch-bishop promised to him to secure his life, if he would prevail with him to confess.

From Biographia Scoticana (Scots Worthies) A Brief Historical Account of the Lives, Characters, and Memorable Transactions of the Most Eminent Scots Worthies by Howie, John

I don't know but I depone it was Scott and Charleton.

From Judith of the Godless Valley by Morrow, Honoré

Mr Melmotte had been asked to depone the title-deeds, and had promised to do so as soon as the day of the wedding should have been fixed with the consent of all the parties. 

From The Way We Live Now by Trollope, Anthony

Craigengelt, Gowrie’s steward, who was tortured, tried, convicted, and hanged, deponed that, going up the staircase, just after the King’s arrival, he met the Master, booted, and asked ‘where he had been.’

From James VI and the Gowrie Mystery by Lang, Andrew

He deponed that, on the night of August 4, Gowrie bade him and Andrew Ruthven ride early to Falkland with the Master, and return, if the Master ordered him so to do, with a message. 

From James VI and the Gowrie Mystery by Lang, Andrew

I deponed that same thing to Peter the other day.

From Judith of the Godless Valley by Morrow, Honoré

"She told me not to go any crazier than I already was, and I deponed to her how Doug felt about me, and she went home."

From Judith of the Godless Valley by Morrow, Honoré

But what she deponed to might have happened when she was behind?-Yes;

From Second Shetland Truck System Report by Guthrie, William

"I heard Jimmy Day deponing at the post-office to-day that Charleton was still off on a trip."

From Judith of the Godless Valley by Morrow, Honoré

"I deponed I'd come, didn't I?" repeated the old fellow, and he was still deponing when Douglas started homeward.

From Judith of the Godless Valley by Morrow, Honoré