sociate /ˈsəʊsiət/adjective 1noun 1/ˈsəʊsieɪt/ verb 1forms 3 adjective1 •(no longer used) associated noun1 •(no longer used) An associate.As for you, Dr. Reynolds, and your sociates. — 1655 sociate /ˈsəʊsieɪt/ verb1 •(no longer used) To associate.[…] grant to any sociated for company or body of persons associated together […] — 1862 formssociated · sociating · sociates