le raisonnable suggestion

Grammar-wise, you need to watch your step. Unlike some common French adjectives that jump in front of the noun (like grand or petit), raisonnable almost always stays comfortably behind its noun: une suggestion raisonnable. Also, remember that suggestion is feminine, so it's always la or une, never le. You’ll use this in professional settings to settle a budget dispute, or in casual settings when your friend suggests buying a third round of shots on a Tuesday night. It works as a stand-alone comment too. If someone proposes something sensible, you can simply say, "C'est une suggestion tout à fait raisonnable" (That is a completely reasonable suggestion). Just don't use it to describe something exciting—it’s a word for stability, not for skydiving.

Imagine you're on a Zoom call and the client wants the project done by tomorrow. Your boss says, "How about next Friday instead?" That’s a suggestion raisonnable. Or think about a WhatsApp thread where everyone is arguing about which Netflix show to watch. When someone suggests a 90-minute documentary instead of a 10-season epic, they are making a suggestion raisonnable. Even in online shopping, if a seller offers a 10% discount because the box was slightly damaged, you’d tell your friends it was a suggestion raisonnable. It’s the language of the middle ground, the bread and butter of daily negotiations. It’s also very popular in French politics and law, where "reasonable" is the standard for almost everything.

You should pull this phrase out of your pocket whenever you want to sound level-headed. It’s perfect for job interviews when discussing salary expectations or start dates. It’s great for travel vlogging when you’re explaining why you chose a mid-range hotel over a hostel or a palace. If you’re at a café and the waiter suggests a smaller portion because the main dish is huge, nodding and saying "C'est raisonnable" makes you sound like a local who knows the value of things. It’s also the ultimate "parent" phrase—if your kid wants a gaming PC and you suggest a decent laptop, you are definitely being raisonnable.

Avoid this phrase if you’re talking about passion, art, or romance. If you tell your partner that their declaration of love was a "reasonable suggestion," you’re going to have a very lonely evening. Logic has its limits! Also, don't use it for things that are supposed to be "awesome" or "mind-blowing." You wouldn't call a 5-star meal at a Michelin restaurant raisonnable unless you were only talking about the bill. It can also sound a bit condescending if used in the wrong tone—like you’re telling someone their previous idea was insane and you’re the only one talking sense. Use it for logistics, not for feelings.

The biggest trap for English speakers is the word order. In English, we say "a reasonable suggestion," but in French, it's ✗ une raisonnable suggestion → ✓ une suggestion raisonnable. Another classic is the gender mistake: ✗ le suggestion raisonnable → ✓ la suggestion raisonnable. People also often confuse it with rationnel. While rationnel is about mathematical or scientific logic, raisonnable is about human behavior and social fairness. Don't say ✗ c'est une suggestion rationnelle if you mean it's fair; that sounds like you're a robot calculating the optimal outcome. Stick to raisonnable for people and rationnel for spreadsheets.

If you want to mix it up, you can use une proposition sensée (a sensible proposal), which is very close. If the suggestion is specifically about a price, you might say un prix abordable (an affordable price). For something that just makes sense, c'est logique is the go-to casual alternative. In a more formal setting, like a legal document or a high-level business meeting, you might hear un compromis acceptable. And if someone is being really smart about their choices, you could say they are avoir les pieds sur terre (having their feet on the ground). Each of these has a slightly different flavor, but they all live in the neighborhood of common sense.

You’ll often see this adjective paired with other nouns. Un prix raisonnable is probably the most common one you'll hear in shops and markets. Un délai raisonnable (a reasonable timeframe) is a staple of office life and contracts. You might also hear someone described as une personne raisonnable, which is a big compliment in France—it means they aren't prone to drama or outbursts. In the negative, ce n'est pas raisonnable is a very polite way of saying "that's crazy" or "that's way too much." It’s the gentle "no" of the French language.

Is it too formal for texting? Not at all! You can totally text a friend "C'est raisonnable, on fait ça !" (That's reasonable, let's do it!). Can I use it for food? Yes, but only for the price or the portion size, not the taste. Is it the same as 'fair'? Mostly, yes, but it implies the fairness comes from logic rather than just kindness. If you remember that the French value la logique above almost everything else, you'll understand why being raisonnable is such a highly regarded trait in French culture.