Many researchers and philosophers have created a definition for ‘happiness’, and all of them are different. ‘Happiness’ it is a feeling and a very broad concept.
vocabulary.com
Happiness is the state of wellbeing characterised by emotion ranging from contentment to intense joy.
Sonia Lyubomirsky , positive psychology researcher
Happiness is the experience of joy, contentment or positive wellbeing combined with a sense that one’s life is good, meaningful and worthwhile.
Aristotle
Happiness is the meaning and the purpose of life, the whole aim and end of human existence.
After analyzing the various definitions the conclusion is that happiness it is a joyful experience that would be experienced in specific moments combined with the sense of having a life that is satisfying and worthwhile.