Brain wave
Brain wave noun - (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph.
Kindness and brain wave are semantically related. In some cases you can use "Kindness" instead a noun phrase "Brain wave".
Kindness
Kindness noun - An act of kind assistance.
Brain wave and kindness are semantically related. Sometimes you can use "Brain wave" instead a noun "Kindness".
Mutual synonyms
Cite this Source
Kindness and Brain wave. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/brain_wave/kindness
Brain wave & Kindness. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/brain_wave/kindness>.
Kindness or Brain wave. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/brain_wave/kindness.
Google Ngram Viewer shows how "brain wave" and "kindness" have occurred on timeline