Question

annotate means to: cause to turn convert into a verb remove water from add explanatory notes to or supply with critical comments

Explanation:

The word "annotate" in English language means to add explanatory notes or critical - comments to a text, document, etc. It has nothing to do with causing to turn, converting into a verb (it is already a verb), or removing water from.

Answer:

add explanatory notes to or supply with critical comments