Entry Word: progression

Function: noun

Meaning: 1 a series of things linked together <a progression of events that ended in utter disaster> — see chain 1
2 forward movement in time or place <our progression was slow but steady> — see advance 1
3 the act or process of going from the simple or basic to the complex or advanced <that civilizationʼs gradual progression from simple bartering to a complex economy and monetary system> — see development 1