contribute

v. (-ting) (often foll. By to) 1 give (time, money, etc.) Towards a common purpose. 2 help to bring about a result etc. 3 (also absol.) Supply (an article etc.) For publication with others.  contributor n. [latin: related to *tribute]

v. t. To give or grant i common with others; to give to a common stock or for a common purpose; to furnish or suply in part; to give (money or other aid) for a specified object; as, to contribute food or fuel for the poor.