verb

suponer

suppose

Pensar que algo es cierto sin estar completamente seguro.

Word: suponer

Meaning in English:
The Spanish verb "suponer" means "to suppose", "to assume", or "to imply".

Explanation:

To suppose or assume something
This is the most common usage. It refers to considering something as true or likely without proof.
- Example:
  Supongo que vendrás a la fiesta.
  (I suppose you will come to the party.)
To imply or involve something
In this sense, "suponer" expresses that something entails or means something else.
- Example:
  Este problema supone un gran desafío.
  (This problem implies a big challenge.)

Parts of the word:

The verb comes from Latin supponere (to put under, to suppose).
It is a regular verb ending with -er.

Synonyms:

suponer (to suppose): asumir, considerar, presumir (in some contexts)
suponer (to imply): significar, conllevar, implicar

Antonyms:

For "to suppose" (to assume something is true):
dudar (to doubt), negar (to deny)
For "to imply":
There aren't direct antonyms, but you could think of excluir (to exclude) or descartar (to discard, exclude) as actions that do not involve or imply something.

Summary:
"Suponer" is a versatile Spanish verb meaning to suppose or assume something, often without proof, or to imply or entail something as part of a situation or fact.