Contribute \Con*trib"ute\, v. t. [imp. & p. p. Contributed; p. pr. & vb. n. Contributing.]

[L. contributus, p. p. of contribuere to bring together, to add; con- + tribuere to grant, impart. See Tribute.]

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.

England contributes much more than any other of the allies. --Addison.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Contribute \Con*trib"ute\, v. i.

1. To give a part to a common stock; to lend assistance or aid, or give something, to a common purpose; to have a share in any act or effect.

We are engaged in war; the secretary of state calls upon the colonies to contribute. --Burke.

2. To give or use one's power or influence for any object; to assist.

These men also contributed to obstruct the progress of wisdom. --Goldsmith.

Source: Webster's Revised Unabridged Dictionary (1913)