voluntary Synonyms - page 2
advised
discretional
dotation
elected
encratite
extemporaneous
freely
freewill
gratis
gratuitous
designful
designed
aforethought
autonomous
calculated
commemorative
conative
conscious
considered
costless
deliberate
honorific
instinctive
intended
self-imposed
studied
titular
unbidden
volitient
volitive
voluntarily
voluntariness
volunteer
sacrificable
ritornello
offerable
preconceived
prelude
premeditated
prepense
prologue
purposed
purposeful
purposive
volunteering