A favorable judgement given in the absence of full evidence. / A trust that something will turn out or happen as hoped for or expected despite concerns.

The doubting of one's own abilities.

certainly; doubtlessly; unquestionably; indisputably; doubtless; surely; no doubt

Alternative form of without a doubt

(philosophy) The philosophical idea proposed by Descartes that the world outside the self is subject to uncertainty.

plural of Cartesian doubt

(law) A degree of uncertainty to which a reason can be assigned; in those jurisdictions influenced by English common law, the minimum degree of uncertainty required to acquit a defendant.

plural of self-doubt

plural of reasonable doubt

(idiomatic) Eventuality.