Dictionary

A registry of pecuniary transactions; a written or printed statement of business dealings or debts and credits, and also of other things subjected to a reckoning or review.

A sum of money deposited at a bank and subject to withdrawal.

Example: to keep one's account at the bank.

A statement in general of reasons, causes, grounds, etc., explanatory of some event; a reason of an action to be done.

Example: No satisfactory account has been given of these phenomena.

A reason, grounds, consideration, motive; a person's sake.

Example: Don't trouble yourself on my account.

To provide explanation.

To count.