1. Earlier than; prior to; before; rudimentary; prot-; precursory
2. Located in front of or at the front of; anterior to; front; anterior
3. Projecting
4. Taking the place of; substituting for
5. Favoring; supporting; championing

In favor of (an action or proposal etc.)

Public relations officer

One of seven new top-level domain names approved in 2000 by the Internet Corporation for Assigned Names and Numbers (ICANN), .pro is meant for use in Web sites relating to professions such as physicians, accountants, and lawyers. Six of the new domains became available for use in the spring of 2001; negotiations are still underway for the final registry agreement for the .pro domain.

On the affirmative side.

1. An argument or evidence in affirmation
2. The affirmative side or one holding it
3. An argument in favor of a proposal.

In favor of; for