"optimal" - key terms from Wikipedia

asymptotically optimal
no optimal	solution
optimal
optimal	accuracy
optimal	alignment
optimal	alphabetic
optimal	binary search
optimal	capital structure
optimal	color solid
optimal	control
optimal	cruise
optimal	data structure
optimal	design
optimal	experience
optimal	foraging theory
optimal	health
optimal	kalman gain
optimal	medical therapy
optimal	monetary policy
optimal	nutrition
optimal	optimus
optimal	path
optimal	policy
optimal	portfolio
optimal	shape
optimal	size
optimal	solution
optimal	substructure
optimal	taxation
optimal	tour
pareto optimal