A "friendly disposition" means having a kind and approachable manner toward others. It describes someone who is amiable and easy to get along with. Full definition
I generally have a less than friendly disposition towards strategy titles and I feared the worst as I started the game up for the first time. (enemyslime.com)
They maintain a courteous and friendly disposition when interacting with customers irrespective of their temperament or mood. (jobdescriptionandresumeexamples.com)
Her easy - going style and friendly disposition make classes fun, relaxed and informative — the perfect combination. (finevintageltd.com)