5.20 Definition: Pretext is a false reason or motive given to conceal the real purpose of something. It is a lie or a false pretense used to deceive or manipulate someone. Pretexts can be used in both legal and illegal activities. There are two types of 5.20 Definition: Pretext. The first type is “legal pretext” which is a false reason or motive given to conceal the real purpose of something that is not illegal. For example, a person might give a false reason for entering a property or a false reason for asking someone questions. The second type is “illegal pretext” which is a false reason or motive given to conceal the real purpose of something that is illegal. For example, a person might give a false reason for entering a property or a false reason for asking someone questions in order to obtain information for a crime.