What is a word for changing from one thing to another?
"Transition" is the primary word for moving from one state, stage, or subject to another. Other precise terms depend on the context: transformation or metamorphosis (major change), conversion (changing form/function), shift or switch (sudden change), and transmutation (fundamental alteration).
Here is a list of common transitional words and the categories to which they belong. To Add: and, again, and then, besides, equally important, finally, further, furthermore, nor, too, next, lastly, what's more, moreover, in addition, first (second, etc.)
To embrace and implement Transition, your team and employees must understand and benefit from communications on the 4 Ps: Purpose, Picture, Plan and Part.
Some common synonyms of start are begin, commence, inaugurate, initiate, and usher in. While all these words mean "to take the first step in a course, process, or operation," start, opposed to stop, applies especially to first actions, steps, or stages.