What is synonym for trade?

Here are some synonyms for "trade", depending on the context:

General:

* Commerce

* Business

* Exchange

* Barter

* Traffic

* Dealing

* Negotiation

Specific to a particular industry or profession:

* Craft

* Occupation

* Profession

* Skill

* Line of work

Other:

* Transaction

* Market

* Industry

* Venture

* Enterprise

The best synonym for "trade" will depend on the specific situation.