COLLEGIAL Synonyms: 83 Similar and Opposite Words - Merriam-Webster
https://www.merriam-webster.com/thesaurus/collegial
WebSynonyms for COLLEGIAL: warm, friendly, gracious, cordial, neighborly, companionable, comradely, chummy; Antonyms of COLLEGIAL: hostile, antagonistic, unfriendly ...
DA: 21 PA: 26 MOZ Rank: 13