pre-, prae-

1. A confectionary preparation of fruit or other vegetable products preserved with sugar; jam.
2. To keep safe from harm or injury; to keep in safety, save, take care of, guard.
3. To keep alive, keep from perishing; to keep in existence, keep from decay, make lasting (a material thing, a name, a memory).

1. To be officially in charge; to hold the position of authority; act as chairperson or president: "He was appointed to be the chairperson school board."
2. To have control: to be the most powerful person or the one everyone else obeys, usually in a specific place or situation; such as, he was scheduled to preside over the business when the current chairman retires.
3. To perform as instrumentalist: Mary was the featured instrumentalist at the musical performance where she presided at the organ.
4. Etymology: From Latin pręsidere, "to stand guard, to superintend"; literally, "to sit in front of"; from prę-, "before" plus sedere, "to sit".

1. The job or function of president of a republic, or a president's term of office.
2. The status, post, or function of being president of a company, society, institution, or similar body.

1. Someone who is appointed or elected to preside over an organized body of people; such as, an assembly or meeting.
2. The chief executive of a republic.
3. The chief executive of the United States, serving as both chief of state and chief political executive.
4. The chief officer of a branch of government, corporation, board of trustees, university, or similar organization.
5. Etymology: "appointed governor of a province, chosen leader of a body of people"; from Latin pręsidentum, pręsidens, "president, governor", noun use of pręsidere, "to act as head or chief"; literally, "to sit in front of", from prę-, "before" + sedere, "to sit".

1. To accept that something is virtually certain to be correct even though there is no proof of it, on the grounds that it is extremely likely.
2. To behave so inconsiderably, disrespectfully, or overconfidently as to do something without being entitled or qualified to do it; usually used in a negative sense.

To presume means "to consider likely, to expect," or "to think to be a fact": "Since the firm is prosperous and my work has been very good, I presume I will get a raise."

In modern usage, assume and presume are often used for both meanings.

1. The taking upon onself of more than is warranted by one's position, right, or (formerly) ability; forward or over-confident opinion or conduct; arrogance, pride, effrontery, assurance.
2. The assuming or taking of something for granted; also, that which is presumed or assumed to be, or to be true, on probable evidence; a belief deduced from facts or experience; assumption, assumed probability, supposition, expectation.
3. In law, presumption of fact: the inference of a fact not certainly known, from known facts.
4. In law, presumption of law: the assumption of the truth of anything until the contrary is proved or an inference established by the law as universally applicable to certain circumstances.
5. A ground or reason for presuming or believing; presumptive evidence.

1. Giving reasonable grounds for presumption or belief; warranting inference.
2. Based on presumption or inference; presumed, inferred.

By presumption or inference; presumably.

Characterized by presumption in opinion or conduct; unduly confident or bold; arrogant, presuming; forward, impertinent.

In a presumptuous manner; with presumption.

The quality of being presumptuous; groundless self-confidence; over-bold forwardness.

Before time began; antemundane.

Primarily a UK spelling of "pretense".