1. (noun) someone who gives a warning so that a mistake can be avoided

• admonisher
• monitor

1. (noun) a message that helps you remember something

• content
• message
• subject matter
• substance

2. (noun) an experience that causes you to remember something

• experience

3. (noun) someone who gives a warning so that a mistake can be avoided

• defender
• guardian
• protector
• shielder

1. (noun) a message that helps you remember something

• phylactery
• tefillin

2. (noun) an experience that causes you to remember something

• deja vu
• memento
• souvenir
• memento mori
• shades of

1. (noun) a message that helps you remember something

• remind

2. (noun) an experience that causes you to remember something

• remind

3. (noun) someone who gives a warning so that a mistake can be avoided

• admonish
• discourage
• monish
• warn
• admonish
• caution
• monish