1. -> see give

noun

1. mutual interaction
    the activity of reciprocating or exchanging (especially information)

    Synonym: interchangereciprocation

2. light teasing repartee

    Synonym: banterraillerybackchat

3. an exchange of views on some topic

    e.g. we had a good discussion
           we had a word or two about it

    Synonym: discussionword