Learn on PengiVocabulary from Latin and Greek Roots, Book 1, Level VIIUnit 17 ~ Unit 20

Ch 5.4: Unit 20

These words come from the Latin root IDEALIS, meaning "perfect.".

Section 1

Root: IDEAL - perfect

These words come from the Latin root IDEALIS, meaning "perfect."

Key Words

WordDefinition
idealistic (adj.)Believing in the idea of perfection or a perfect world
ideal (adj.)Perfectly suitable
idealize (v.)To think of as perfect

Example Usage

  • The sunny, 75-degree weather was ideal for the wedding.
  • Many young people are idealistic, believing they can solve complex world problems.
  • It's a common mistake to idealize the past, remembering only the good times.

Section 2

Root: SCIEN - to know

This group of words is derived from the Latin root SCIRE, meaning "to know."

Key Words

WordDefinition
conscience (n.)The part of the mind which tells the difference between right and wrong
scientific (adj.)Based on proven facts

Example Usage

  • After taking a cookie without asking, the child's conscience made him feel guilty.
  • The conclusion was based on rigorous scientific research and data analysis.

Section 3

Root: SAV - to know

These words originate from the Latin root SAPERE, also meaning "to know."

Key Words

WordDefinition
savvy (n.)Cleverness; understanding
savor (v.)To take time to enjoy

Example Usage

  • She has a lot of political savvy and understands how to negotiate with other leaders.
  • He tried to savor the delicious meal, eating it slowly and enjoying every bite.

Section 4

Root: CERT - to decide, determine

This set of words comes from the Latin roots CERTARE, meaning "to decide, determine," and CERTUS, meaning "certain."

Key Words

WordDefinition
certify (v.)To prove good or true; declare correct
certainty (n.)Something not in doubt
concerted (adj.)Done together; combined
ascertain (v.)To figure out through reasoning

Example Usage

  • The community made a concerted effort to clean up the local park.
  • Before making a decision, the manager needed to ascertain all the facts.
  • The appraiser will certify the value of the antique, which will provide certainty about its worth.

Book overview

Jump across lessons in the current chapter without opening the full course modal.

  1. Lesson 1

    Ch 5.1: Unit 17

  2. Lesson 2

    Ch 5.2: Unit 18

  3. Lesson 3

    Ch 5.3: Unit 19

  4. Lesson 4Current

    Ch 5.4: Unit 20

Lesson overview

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Section 1

Root: IDEAL - perfect

These words come from the Latin root IDEALIS, meaning "perfect."

Key Words

WordDefinition
idealistic (adj.)Believing in the idea of perfection or a perfect world
ideal (adj.)Perfectly suitable
idealize (v.)To think of as perfect

Example Usage

  • The sunny, 75-degree weather was ideal for the wedding.
  • Many young people are idealistic, believing they can solve complex world problems.
  • It's a common mistake to idealize the past, remembering only the good times.

Section 2

Root: SCIEN - to know

This group of words is derived from the Latin root SCIRE, meaning "to know."

Key Words

WordDefinition
conscience (n.)The part of the mind which tells the difference between right and wrong
scientific (adj.)Based on proven facts

Example Usage

  • After taking a cookie without asking, the child's conscience made him feel guilty.
  • The conclusion was based on rigorous scientific research and data analysis.

Section 3

Root: SAV - to know

These words originate from the Latin root SAPERE, also meaning "to know."

Key Words

WordDefinition
savvy (n.)Cleverness; understanding
savor (v.)To take time to enjoy

Example Usage

  • She has a lot of political savvy and understands how to negotiate with other leaders.
  • He tried to savor the delicious meal, eating it slowly and enjoying every bite.

Section 4

Root: CERT - to decide, determine

This set of words comes from the Latin roots CERTARE, meaning "to decide, determine," and CERTUS, meaning "certain."

Key Words

WordDefinition
certify (v.)To prove good or true; declare correct
certainty (n.)Something not in doubt
concerted (adj.)Done together; combined
ascertain (v.)To figure out through reasoning

Example Usage

  • The community made a concerted effort to clean up the local park.
  • Before making a decision, the manager needed to ascertain all the facts.
  • The appraiser will certify the value of the antique, which will provide certainty about its worth.

Book overview

Jump across lessons in the current chapter without opening the full course modal.

  1. Lesson 1

    Ch 5.1: Unit 17

  2. Lesson 2

    Ch 5.2: Unit 18

  3. Lesson 3

    Ch 5.3: Unit 19

  4. Lesson 4Current

    Ch 5.4: Unit 20