[mod.L., a. Gr. συνεργία, f. συνεργός working together, συνεργεῖν (see prec.).] a. Physiol., etc. = SYNERGY. b. Anthropol. Agreement in bodily movements or acts, as a hypothetical stage in the development of sympathy: cf. SYNÆSTHESIA.
1859. Mayne, Expos. Lex.
1897. [see SYNÆSTHESIA].