hopefulness

n.

抱有希望；

1. I'm hopeful that they'll fulfil the task on time.
   他们会按时完成任务，对这一点，我是抱有希望的。
2. I am very hopeful that we will be able to reach an agreement.
   大家都作一点让步，那么达成协议很有希望的。

Histoplasma hairpins herald hopefulness.
Hopefulness and the self-sustaining process in adolescents with cancer
Personal hopefulness: a conceptual review of the relevance of the perceived future to psychiatry.
Toward a theory of learned hopefulness: A structural model analysis of participation and empowerment
Helpful Hopefulness: The Effect of Future Positive Emotions on Consumption | Journal of Consumer Research | Oxford Academic
Disclosing the cancer diagnosis. Procedures that influence patient hopefulness
Social support and well-being in adolescents: the mediating role of hopefulness
Positive life events, attributional style, and hopefulness: testing a model of recovery from depression.
The construction and characteristics of an instrument to measure personal hopefulness.
The Expanding Vision of Positive Behavior Support: Research Perspectives on Happiness, Helpfulness, Hopefulness.