Akademik

sounding board
noun
1. a person whose reactions to something serve as an indication of its acceptability
-

I would use newspapermen as a sounding board for such policies

Hypernyms: ↑person, ↑individual, ↑someone, ↑somebody, ↑mortal, ↑soul
2. (music) resonator consisting of a thin board whose vibrations reinforce the sound of the instrument
Syn: ↑soundboard
Topics: ↑music
Hypernyms: ↑resonator, ↑cavity resonator, ↑resonating chamber
Part Holonyms: ↑stringed instrument, ↑piano, ↑pianoforte, ↑forte-piano
Part Meronyms: ↑sound hole

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noun, pl ⋯ boards [count]
: a person or group with whom you discuss ideas to see if the ideas are good

My friend is my sounding board for new ideas.

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ˈsounding board [sounding board sounding boards] noun
a person or group of people that you discuss your ideas with before you make them known or reach a decision

Useful english dictionary. 2012.