creative thinking, creativeness, creativity - the ability to create

physiological condition, physiological state - the state of the body or bodily functions

quality - an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare

prolificacy, fertility, richness - the property of producing abundantly and sustaining growth; "he praised the richness of the soil"

productiveness, productivity - the quality of being productive or having the power to produce