discretionary

discretion +‎ -ary (“pertaining to”). Compare French discrétionnaire.

• (UK) IPA^(key): /dɪˈskɹɛʃən(ə)ɹi/
• (US) IPA^(key): /dɪsˈkɹɛʃəˌnɛɹi/

discretionary (comparative more discretionary, superlative most discretionary)

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

• discretionary spending
• nondiscretionary
• nondiscretionary spending

• elective
• optional
• at one's discretion