Confidently, because one is certain that something relevant to the situation is true.

To the extent of one's limited knowledge of the facts.

Scientia potentia est; with knowledge and/or education, one's potential or ability to succeed in the pursuit of one's objectives will certainly increase.

plural of sphere of knowledge

plural of knowledge worker

Alternative spelling of metaknowledge.

(information science) A knowledge base with an interlinked graph structure.

(biblical) One of the trees in the Garden of Eden.

(law) Knowledge which is attributed to a person who has engaged in willful ignorance of that knowledge and ought to have known it.

plural of knowledge base