Lewis Short
illĭcĭtātor | inl- (noun M) : (), , in-licito
* One who bids at an auction to make others bid higher, a sham-bidder, mock-purchaser: non illicitatorem venditor, non, qui contra liceatur, emptor apponet,Cic. Off. 3, 15, 61; cf.: nunc quoniam tuum pretium novi, il. licitatorem potius ponam quam illud minoris veneat,id. Fam. 7, 2, 1 (explained, Paul. ex Fest. p. 113: illicitator emptor, erroneously).
Charlton T. Lewis, Charles Short, A Latin Dictionary