- subject or left to one's own discretion.
- for any use or purpose one chooses; not earmarked for a particular purpose: discretionary income; a discretionary fund.
Origin of discretionary
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- having or using the ability to decide at one's own discretiondiscretionary powers
Word Origin and History for nondiscretionary
Online Etymology Dictionary, © 2010 Douglas Harper