Reliance

[Zipporah Schumaker]

The act of relying, or the condition or quality of being
reliant; dependence; confidence; trust; repose of mind upon what is
deemed sufficient support or authority.

[Dorothey Allen]

Someone who believes they are [smart] but [in reality] are [mediocre].

[Greta]

Dependence on or trust in someone or something.

[Dianne]

the state of depending on or trusting in something or someone: