Decide
Part of speech: verb
Definition: To resolve (a contest, problem, dispute, etc.); to choose, determine, or settle. To make a judgment, especially after deliberation. To cause someone to come to a decision.
Example sentence: If people in the media cannot decide whether they are in the business of reporting news or manufacturing propaganda, it is all the more important that the public understand that difference, and choose their news sources accordingly.
Resolve
Part of speech: noun
Definition: Determination, will power.
Part of speech: verb
Definition: To find a solution to (a problem).To solve again.To make a firm decision to do something.
Example sentence: I fear all we have done is to awaken a sleeping giant and fill him with a terrible resolve.