There are several synonyms for the word "instructable". Some of these include "tutorial" which is a set of instructions on how to complete a task, "lesson" which is a teaching that instructs on a subject, "directions" which are a set of instructions or guidance to follow steps in order to complete a task, "manual" which is a book or guide that provides information or instructions on how to do something and "guide" which is a source of direction or advice on how to do something. All of these words refer to something that provides guidance or information to complete a task or learn a new skill.