1. just (e.g. "just wait here"); come now; now, now
when urging or consoling
2. tolerably; passably; moderately; reasonably; fairly; rather; somewhat
3. well...; I think...; it would seem...; you might say...; Hmmm, I guess so...
when hesitating to express an opinion
4. oh!; oh dear!; oh, my!; wow!; goodness gracious!; good heavens!