Synonyms of companionably

2 Syllables
jointly
3 Syllables
combined, alike, mutually, conjointly, agreeably, together
4 Syllables
similarly, convivially, accordingly, unitedly, concurrently, connectedly, harmoniously
5 Syllables
entertainingly, collectively, simultaneously, coincidentally, concomitantly, inextricably, inseparably, intimately, reciprocally, synchronically
6 Syllables
cooperatively