Final answer:
The word 'pontificate' means to speak in a formal or pompous manner, give a sermon, or orate.
Step-by-step explanation:
The word 'pontificate' means to speak in a formal or pompous manner, give a sermon, or orate. It is often used to describe someone who expresses their opinions or ideas in a self-important or authoritative way.
For example, if someone says, 'He likes to pontificate about politics but never listens to others' viewpoints,' it means that person speaks in a pompous manner without considering different perspectives.
So, the correct answer is 4) All of the above because 'pontificate' encompasses all these meanings.