negotiable

adj

1. Able to be traversed; navigable.
2. Able to be transferred to another person, with or without endorsement, in exchange for money.

   “The court had to decide if a "telecheck" had been "signed" by the purported "drawer," and in doing so the court had to determine whether a "telecheck" is a negotiable instrument[…]”

3. Open to negotiation or bargaining.

   “Salary is negotiable, according to education and experience.”

noun

1. Something that is open to negotiation.

   ““It is only once you start looking at houses that you realize what you do and don’t like, and what your negotiables and nonnegotiables are,” Ms. Wexler said.”