discretionary

adj

1. Available at one's discretion; able to be used as one chooses; left to or regulated by one's own discretion or judgment.

   “discretionary income”

   “discretionary powers”

   “The new normal: Will demand quickly return to pre-COVID levels? Unlikely, if only because with the country (and the world) in deep recession, many younger people will be in serious financial difficulty. A lack of disposable income simply won't allow them much discretionary travel.”