Etymology
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moderator (n.)

late 14c., moderatour, "that which regulates the movement of the celestial spheres," from Latin moderator "manager, ruler, director," literally "he who moderates," from moderatus "within bounds, observing moderation;" figuratively "modest, restrained," past participle of moderari "to regulate, mitigate, restrain, temper, set a measure, keep (something) within measure," from PIE root *med- "take appropriate measures."

Meaning "one who acts as an arbitrator, person who presides at a meeting or disputation" is from 1560s. Fem. form moderatrix attested from 1530s.

Entries linking to moderator

*med- 

Proto-Indo-European root meaning "take appropriate measures."

It forms all or part of: accommodate; accommodation; commode; commodious; commodity; empty; immoderate; immodest; Medea; medical; medicament; medicaster; medicate; medication; medicine; medico; medico-; meditate; meditation; Medusa; meet (adj.) "proper, fitting;" mete (v.) "to allot;" modal; mode; model; moderate; modern; modest; modicum; modify; modular; modulate; module; modulation; mold (n.1) "hollow shape;" mood (n.2) "grammatical form indicating the function of a verb;" must (v.); premeditate; premeditation; remedial; remediation; remedy.

It is the hypothetical source of/evidence for its existence is provided by: Sanskrit midiur "I judge, estimate;" Avestan vi-mad- "physician;" Greek mēdomai "be mindful of," medesthai "think about," medein "to rule," medon "ruler;" Latin meditari "think or reflect on, consider," modus "measure, manner," modestus "moderate," modernus "modern," mederi "to heal, give medical attention to, cure;" Irish miduir "judge;" Welsh meddwl "mind, thinking;" Gothic miton, Old English metan "to measure out."

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Definitions of moderator

moderator (n.)
any substance used to slow down neutrons in nuclear reactors;
moderator (n.)
in the Presbyterian church, the officer who presides over a synod or general assembly;
moderator (n.)
someone who presides over a forum or debate;
moderator (n.)
someone who mediates disputes and attempts to avoid violence;
From wordnet.princeton.edu

Dictionary entries near moderator

modem

Modena

moderate

moderately

moderation

moderator

modern

modernise

modernism

modernist

modernistic

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