IPA: /kəmˈpæn.jə.nə.bəl/
KK: /kəmˈpæn.jə.nə.bəl/
This word describes someone or something that is friendly and pleasant to be with, making it easy to enjoy each other's company.
The two friends enjoyed a companionable evening, sharing stories and laughter.
Companionable is formed from "companion" (from Latin "companio", meaning one who eats bread with another) and the suffix "-able" (meaning capable of or suitable for). The word describes someone who is suitable for companionship or friendly interaction.
Think of someone who is 'suitable for companionship' — 'companion' refers to a friend or partner, and '-able' means capable of being that.