We don't have synonyms for bailment yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are basement, raiment and ailment.
(n) :
(law) The handing over of control over, or possession of, personal property by one person, the bailor, to another, the bailee, for a specific purpose upon which the parties have agreed.
(n) :
(law) The handing over of control over, or possession of, personal property by one person, the bailor, to another, the bailee, for a specific purpose upon which the parties have agreed.