Wordnet 3.0
NOUN (1)
1.
a practitioner of orthoepy (especially one of the 17th or 18th century scholars who proposed to reform English spelling so it would reflect pronunciation more closely);
The Collaborative International Dictionary of English v.0.48:
orthoepist \or"tho*e*pist\ ([^o]r"th[-o]*[-e]*p[i^]st), n.
One who is skilled in orthoepy.
[1913 Webster]
WordNet (r) 3.0 (2006):
orthoepist
n 1: a practitioner of orthoepy (especially one of the 17th or
18th century scholars who proposed to reform English
spelling so it would reflect pronunciation more closely)