1. characterized by or expressing certainty or affirmation: a positive answer. 2. composed of or possessing actual or specific qualities; real: a positive benefit. 3. tending to emphasize what is good or laudable; constructive: he takes a very positive attitude when correcting pupils' mistakes.
Positive psychology focuses on enhancing wellbeing by studying what makes life worth living, emphasizing strengths, virtues & positive experiences. It encourages the cultivation of positive emotions, engagement & meaning to improve overall life satisfaction & resilience.
Did you have a positive [= pleasant] experience working with that company? The book had a positive influence on me. He has been a positive role model for his brother.