forward or onward movement, e.g. towards a destination, objective, or goal; advance
gradual improvement, esp a continuous development towards an improved, more modern, or more complete state
But the skin of progress masks, unknown, the spotted wolf of sameness — Wole Soyinka
archaic a ceremonial journey, esp a monarch's tour of his or her dominions
in progress
occurring; going on
[Middle English from Latin progressus advance, past part. of progredi to go forth, from pro-2 + gradi to go]