A more thorough explanation:

Term: praestare
Definition: In Roman law, praestare means to fulfill a duty or take responsibility for something.
Examples: If you borrow money from someone, you must praestare by paying it back. If you sign a contract, you praestare to follow the terms of the agreement.
Explanation: Praestare is a legal term that means to do what you promised or agreed to do. The examples show how praestare is used in different situations where someone has a duty or obligation to fulfill. If you don't praestare, you may face consequences such as legal action or damage to your reputation.