basis - Master This Word

basis Word Meanings

• the foundation or starting point for something
• the underlying support or foundation
• a basis can also refer to the main reason for something

basis Example Sentences

Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.

• She studies every day on a regular basis.
• He made his decision on the basis of facts.
• We meet on a weekly basis for lunch.
• The basis of the plan is simple and clear.
• I trust her on a personal basis.

basis Word Etymology

basis = base + -is; from Greek 'basis' meaning 'a step, a base'; imagine a solid ground you step onto before starting a journey.

English Brain Route

I reach out and place a notebook on the desk, then push it a touch and shift it until the edge lines up with the ruler. I hold the line with one finger, adjust the tilt, and feel the surface settle under my hand. These small moves make the setup feel solid, like a base taking shape beneath my plan. When I plan the next steps, I keep coming back to that base, the basis that grounds my choices.

Real Context

Basis refers to the starting point, the underlying foundation, or the main reason something exists or is true. In everyday use, you work on a project on a solid basis, meaning you have enough information, evidence, or agreement to proceed. In mathematics and science, basis is a more technical term, describing a set of elements that defines a system or coordinate frame. People often confuse basis with foundation or base, so learners should look for phrases like on the basis of, on a daily basis, or based on the basis that. Understanding the nuance helps avoid misusing the word in formal writing and casual talk.

Usage Reminders

• Use basis in formal phrases like on the basis of or on the basis that.
• In everyday speech, prefer base or foundation depending on meaning.
• Daily basis refers to routine or frequency, as in every day.
• In math or science, basis has a precise technical meaning.
• Avoid using basis as a casual synonym for base in informal writing.

Common Misconceptions

• Basis equals base in all contexts
• Daily basis means a daily routine instead of frequency
• Basis is interchangeable with foundation in casual writing
• Basis only refers to physical foundations
• Basis and baseline are the same

Thinking Differences

English tends to favor clear, modular phrases with on the basis of or daily basis; learners often confuse basis with base or foundation and overuse idioms in casual speech.

Learning Tips

• Memorize common collocations: on the basis of, on the basis that, daily basis.
• Differentiate basis from base, foundation, and baseline.
• Practice with formal writing to reinforce the phrase on the basis of.
• Remember math sense of basis as defining a system.
• Use a thesaurus to find the best fit for foundation-related meanings.
• Check context to choose the right preposition after basis.

5-Step Learning Method - Learn English in English

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