to go forward; to advance; to go in; to enter; to put in; to submit; to take in; to admit; (math.) base of a number system; classifier for sections in a building or residential compound

to come in

to go in

(of a process etc.) to proceed; to be in progress; to be underway; (of people) to carry out; to conduct (an investigation or discussion etc.); (of an army etc.) to be on the march; to advance

to enter; to join; to go into

to make headway; to make progress

to go forward; to forge ahead; to advance; onward

progress; improvement; to improve; to progress