Suggestion vs. proposition
In French, the words suggestion and proposition can both be translated as suggestion or proposal in English. However, they are used in different contexts and have nuances that distinguish their use.
Suggestion
A2A suggestion refers more to an idea or plan put forward for consideration, often in a less formal context.
J'ai une suggestion pour notre voyage.
(I have a suggestion for our trip.)
Sa suggestion était de changer le lieu de la réunion.
(His suggestion was to change the meeting location.)
Proposition
B1A proposition refers to a more formal offer or plan, usually one that is detailed and worthy of serious consideration.
La proposition de loi sera examinée demain.
(The bill proposal will be examined tomorrow.)
Il a fait une proposition concrète pour résoudre le problème.
(He made a concrete proposal to solve the problem.)
Summary
While both suggestion and proposition can be translated into English as suggestion or proposal, the difference is in the level of formality and detail. Suggestion is used for more informal or less detailed ideas, while proposition is reserved for formal, detailed offers or plans.