1. to carry round along with or together , (Plato Philosophus)

2. Pass. to be carried round together , (Plato Philosophus)

3. συμπεριφέρεσθαί τινι to have intercourse with one, (Polybius Historicus): to adapt oneself to circumstances, with dative, (Aeschines Orator)

4. to be well acquainted with things, (Polybius Historicus) (ML)