Final answer:
A lexicologist is the person who compiles a dictionary.
Step-by-step explanation:
The one who compiles a dictionary is called a lexicologist. A lexicologist is a person who studies the structure, development, and use of language and specializes in compiling and editing dictionaries. They carefully research and document the meanings, pronunciations, usage, and etymologies of words in order to create comprehensive and authoritative dictionaries. The correct term for someone who compiles a dictionary is a) Lexicologist. A lexicologist is a scholar or linguist who specializes in the study and compilation of dictionaries. Their work involves meticulous research into the meanings, origins, and usage of words, as well as the evolution of language over time. Lexicologists play a crucial role in documenting and preserving the richness of a language by creating comprehensive and accurate references for its users. While linguists (option b) study language more broadly, a lexicologist's focus is specifically on the structure and meaning of words. A wordsmith (option c) typically refers to someone skilled with words but may not necessarily specialize in compiling dictionaries. Etymologists (option d) focus on the origins and history of words.