What is another word for understudying?
Pronunciation: [ˌʌndəstˈʌdɪɪŋ] (IPA) 
The term "understudying" refers to the act of studying a job or role that you are not currently performing, but that you may be called upon to perform in the future. Synonyms for "understudying" include "preparing," "substituting," "standing in," "rehearsing," "shadowing," and "learning." These terms all imply the idea of being ready to step in, in case the primary performer is unavailable or unable to continue their duties. "Understudying" is a vital aspect of many jobs and professions, and those who are skilled at it can quickly become indispensable assets to their teams.
