1) Banking term 2) Intercession 3) Intervention 4) Mediation 5) The act of intermediating 
Intermediation involves the `matching` of lenders with savings to borrowers who need money by an agent or third party, such as a bank. If this matching is successful, the lender obtains a positive rate of return, the borrower receives a return for risk taking and entrepreneurship and the banker receives a return for making the successful match. .....
• (n.) The act of coming between; intervention; interposition.
Investment through a financial institution. Related: Disintermediation.
Investment through a financial institution. Related: disintermediation. 
Investment through a financial institution. Related
In`ter·me`di·a'tion noun The act of coming between; intervention; interposition. Burke. 
An e-business term to describe an organization that positions itself between two established points in the business supply chain, eg. WorldPay sitting between banks and consumers. Some doteconomy ‘die-hards` refer to this as antidisintermediation.
the act of intermediating.