Pronunciation:/ˈpruːv(ə)n, ˈprəʊ-/)
demonstrate the truth or existence of (something) by evidence or argument: a proven ability to work hard
Pronunciation:/ˈpaʃ(ə)nət/
having , showing, or caused by strong feelings or beliefs.
Pronunciation:/ˈpɒzɪtɪv/
constructive, optimistic, or confident: adopt a positive outlook on life; with no possibility of doubt; definite.