intermediate vs moderate

To mediate, to be an intermediate. 

To arrange, in the manner of a broker. 

Any substance formed as part of a series of chemical reactions that is not the end-product. 

An intermediary. 

Anything in an intermediate position. 

To act as a moderator; to assist in bringing to compromise 

To become less excessive 

To reduce the excessiveness of (something) 

To preside over (something) as a moderator 

To supply with a moderator (substance that decreases the speed of neutrons in a nuclear reactor and hence increases likelihood of fission). 

One who holds an intermediate position between extremes, as in politics. 

One of a party in Scottish Church history dominant in the 18th century, lax in doctrine and discipline, but intolerant of evangelicalism and popular rights. It caused the secessions of 1733 and 1761, and its final resultant was the Disruption of 1843.