Answer: contribute

AnswerCrossword Clue
CONTRIBUTEKick in
CONTRIBUTESupport a fund
contributeHelp to cause or bring about
contributeto give or supply in common with others
contributeGive (something, esp. money) in order to help achieve or provide something
contributeGive one's views in a discussion
contributeSupply (an article) for publication