designation
noun
[ dɛzɪɡˈneɪʃ(ə)n ]
• the action of choosing someone to hold an office or post.
• "a leader's designation of his own successor"
Similar:
appointment,
nomination,
selection,
choice,
choosing,
picking,
election,
naming,
identifying,
co-opting,
induction,
Origin:
late Middle English (in the sense ‘the action of marking’): from Latin designatio(n- ), from the verb designare (see designate).