1. principle

noun. ['ˈprɪnsəpəl'] a basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct.

Rhymes with Pleasure Pain Principle

• subprincipal
• principal

2. principle

noun. ['ˈprɪnsəpəl'] a rule or standard especially of good behavior.

3. principle

noun. ['ˈprɪnsəpəl'] a basic truth or law or assumption.

4. principle

noun. ['ˈprɪnsəpəl'] a rule or law concerning a natural phenomenon or the function of a complex system.

5. principle

noun. ['ˈprɪnsəpəl'] (law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature).

6. pleasure

noun. ['ˈplɛʒɝ'] a fundamental feeling that is hard to define but that people desire to experience.

7. pleasure

noun. ['ˈplɛʒɝ'] something or someone that provides a source of happiness.

8. pain

noun. ['ˈpeɪn'] a symptom of some physical hurt or disorder.

9. pain

noun. ['ˈpeɪn'] emotional distress; a fundamental feeling that people try to avoid.

10. pain

noun. ['ˈpeɪn'] a somatic sensation of acute discomfort.