"empirical" - key terms from Wikipedia

empirical
empirical	bayes
empirical	concepts
empirical	data
empirical	distribution
empirical	evidence
empirical	forecasting
empirical	formula
empirical	method
empirical	methods
empirical	models
empirical	reality
empirical	research
empirical	sciences
empirical	studies
empirical	support
empirical	thermometers
logic empirical