series - similar things placed in order or happening one after another; "they were investigating a series of bank robberies"

arithmetic progression - (mathematics) a progression in which a constant is added to each term in order to obtain the next term; "1-4-7-10-13- is the start of an arithmetic progression"

geometric progression - (mathematics) a progression in which each term is multiplied by a constant in order to obtain the next term; "1-4-16-64-256- is the start of a geometric progression"

harmonic progression - (mathematics) a progression of terms whose reciprocals form an arithmetic progression

change of location, travel - a movement through space that changes the location of something

headway, head - forward movement; "the ship made little headway against the gale"

movement, move, motion - the act of changing location from one place to another; "police controlled the motion of the crowd"; "the movement of people from the farms to the cities"; "his move put him directly in my path"

push - an effort to advance; "the army made a push toward the sea"

career, life history - the general progression of your working or professional life; "the general had had a distinguished career"; "he had a long career in the law"

march - a steady advance; "the march of science"; "the march of time"

clear sailing, easy going, plain sailing - easy unobstructed progress; "after we solved that problem the rest was plain sailing"

leapfrog - advancing as if in the game of leapfrog