Avant tout. Préalablement ŕ toute discussion, il faut...
1. In a state of anticipation ore preoccupation; in advance; -- often followed by with.
2. By way of preparation, or preliminary; previously; aforetime.
1. Before another in time, space, or importance
2. Before anything else; SYN. firstly, foremost, first of all, first off.
3. The initial time; SYN. for the first time.