# a good idea

idiom · CEFR A1

Source: https://englishreference.com/idiom/a-good-idea
Updated: 2026-04-22

## Meaning

A suggestion or plan that is smart and useful. You often use this phrase to give friendly advice.

## Examples

- Taking an umbrella is a good idea today.
- It is a good idea to check the train schedule before you leave for the station.
- While the initial proposal seemed risky, the committee eventually agreed that investing in new technology was a good idea for long-term growth.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.