Tendo como base fundamentação

Place this phrase at the start of a sentence.

Follow it with the specific type of reasoning.

You might say fundamentação teórica for academic books.

Or use fundamentação jurídica for legal matters.

It connects your 'why' to your 'what.'

It makes you sound like an expert immediately.

It is a great way to sound authoritative.

Use it during a university thesis defense.

It works perfectly in a legal contract.

Try it in a high-stakes corporate meeting.

Use it when you need to be persuasive.

It is ideal for formal written reports.

Use it when logic is your primary weapon.

It shows respect for facts and structures.

Don't use this at a backyard barbecue.

Your friends will think you are a robot.

Avoid it in casual WhatsApp text messages.

It is way too heavy for small talk.

Don't use it if you have no evidence.

It is not for 'vibes' or 'gut feelings.'

Using it incorrectly makes you look pretentious.

Portuguese speakers value formal education very highly.

In Brazil and Portugal, law and academia are prestigious.

Using complex phrases shows you are a 'doutor.'

It is a linguistic relic of a formal past.

Bureaucracy in these countries requires very precise wording.

This phrase is the gold standard for precision.

It commands a specific kind of social respect.

You can say Com base na fundamentação instead.

Try Pautado na fundamentação for a stylistic change.

Tendo por base is also very common.

Baseado na fundamentação is a slightly simpler version.

All of these do the same heavy lifting.

Choose the one that fits your sentence flow.

They all signal a high level of literacy.