What is a antonym for the word apparently?

There isn't a single perfect antonym for "apparently," as its meaning can vary depending on context. However, here are some options depending on the specific nuance you're looking for:

If "apparently" means "seemingly" or "according to appearances":

* Actually

* Really

* In fact

* Truly

* In reality

* On closer inspection

If "apparently" means "reportedly" or "according to what is said":

* Undeniably

* Certainly

* Without doubt

* Indisputably

* Beyond question

If "apparently" means "it seems" or "it appears":

* Doubtlessly

* Unquestionably

* Definitely

* Certainly

* Absolutely

The best antonym for "apparently" will depend on the specific context and the meaning you want to convey.