hopeful

/ˈhoʊpfəl/
adjective
  1. Feeling or showing a belief that something good will happen.
    • He gave a hopeful smile as he waited for the test results.
    • The sunny weather made everyone feel more hopeful.
    • She felt hopeful about her job interview tomorrow.
  2. Giving reasons to believe that something good will happen; promising.
    • The hopeful news lifted the spirits of the entire community.
    • The early sales numbers are a hopeful sign for the new product.
    • Doctors say the patient's recovery is hopeful.
Antonyms
noun
  1. A person who wants to achieve something and has a good chance of success.
    • Each presidential hopeful gave a speech at the convention.
    • The young hopeful auditioned for the lead role in the play.
    • The competition was full of hopefuls dreaming of Olympic gold.