Definition

To provide evidence or proof to support a claim or argument, making it more solid or real.

Example

The scientist was able to substantiate her theory with extensive research and data.

Tense Forms

Conversation

Did you manage to substantiate your claim about the missing documents?

Not yet, but I'm looking for some evidence to back it up.

It's important to substantiate your points, especially in meetings.

I know! I'll make sure to gather everything I need.

Synonyms & Antonyms

Root Explanation

Substantiate → It is formed from "sub-" (meaning under) and "stare" (meaning to stand). The word means to stand under something, providing support or evidence for it.

Memory Tip

Think of 'standing under' something to support it — that's why substantiate means to provide evidence or support for a claim.

Visually Confused Words