- If you are intelligent, you can understand difficult ideas easily and think clearly.
- Any intelligent person should be able to understand this.
- Today's children are more intelligent than children in the past.
- Baboons are highly intelligent animals and learn to meet their needs in many different ways.
- If an idea or something said is intelligent, it shows good understanding and clear thinking.
- That's probably the most intelligent comment I've heard today.
- If another living thing or a machine is intelligent, it can think in ways that are similar to us.
- We will not likely find intelligent life of other planets.