The definition of intercede is to get involved in something on behalf of another person, or to speak up or act on someone's behalf.(verb)
When you get involved in an argument to stand up for a friend, this is an example of a situation where you intercede in the argument.
See intercede in Webster's New World College Dictionary
See intercede in American Heritage Dictionary 4
intransitive verb in·ter·ced·ed, in·ter·ced·ing, in·ter·cedes
Origin: Latin intercēdere, to intervene
Origin: : inter-, inter-
Origin: + cēdere, to go; see ked- in Indo-European roots.
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