negotiation

hear, overhear; hark, harken; list, listen; give an ear, lend an ear, bend an ear; catch a sound, prick up one's ears; give ear, give a hearing, give audience to., hang upon the lips of, be all ears, listen with both ears., become audible; meet the ear, fall upon the ear, catch the ear, reach the ear; be heard; ring in the ear (resound).

mediate, mediatize; intercede, interpose, interfere, intervene; step in, negotiate; meet halfway; arbitrate; magnas componere lites.

sell, vend, dispose of, effect a sale; sell over the counter, sell by auction; dispense, retail; deal in; sell off, sell out; turn into money, realize; bring to the hammer, bring under the hammer, put up to auction; offer for sale, put up for sale; hawk, bring to market; offer; undersell., let; mortgage (security).