Synonyms:
* Examination: To inspect something closely and carefully.
* Scrutiny: A very careful and thorough examination.
* Investigation: A formal or systematic inquiry into a matter.
* Study: To examine something in detail in order to learn about it.
* Dissection: To examine something in detail by breaking it down into its parts.
* Breakdown: To separate something into its components for examination.
Antonyms:
* Synthesis: The combination of separate parts into a whole.
* Creation: To bring something into existence.
* Assembly: The process of putting things together.
* Conjecture: An opinion or conclusion formed on the basis of incomplete information.
* Assumption: Something that is accepted as true without proof.
The best synonym or antonym will depend on the specific context in which you're using the word "analysis."