probe, feel out, sound, feel, put out a feeler*, send up a trial balloon*, run it up the flag pole*, see how the land lies*, get the lay of the land*, see which way the wind blows*; see also examine 1, experiment 2.
"sound-out." YourDictionary, n.d. Web. 23 June 2018. <http://thesaurus.yourdictionary.com/sound-out>.
sound-out. (n.d.). Retrieved June 23rd, 2018, from http://thesaurus.yourdictionary.com/sound-out
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