Definitions for "negotiable"
The ability to be sold or transferred to another party as a form of payment....
Capable of being negotiated; transferable by assignment or indorsement to another person; as, a negotiable note or bill of exchange.
An instrument obligating the payment of money which is transferable from one person to another by endorsement and delivery or by delivery only.
In a home search, criteria for property which are not necessarily imperative but something that can be negotiated on or off the list such as a bonus room? or swimming pool
Keywords:  nslds, student, national, data, system
NSLDS (National Student Loan Data System)
To be willing to bargain with another person to reach an agreement. In terms of salary expectations, you may be negotiable, meaning there is a range you have in mind, and you are open to discussing that range with the employer.
A security which can be bought and sold is said to be negotiable. It is a flexible investment because the holder is not committed to owning it for their full term.