odgovorno

1. responsibly
   Moramo odgovorno da se ponašamo prema prirodi. — We have to act responsibly towards nature.
   On uvek odgovorno obavlja svoj posao. — He always does his job responsibly.
2. (with verbs of saying) with full confidence; with certainty
   Mogu odgovorno da tvrdim da to nije istina. — I can state with confidence that it isn't true.