suffice (verb) - to be adequate or satisfactory; to satisfy [suh-fahys]
BREAKDOWN: SUF- (under) + FIC- (make)
sufficient means suitable, enough, or adequate for the situation or purpose
insufficiency describes an inability to meet a need or perform a necessary function
See also: beneficiary, edifice, officious, ramification
“For those who believe, no explanation is necessary; for those who do not believe, no explanation will suffice.” —Joseph Dunninger