Gemoedelijk is probably the Dutch word which is linguistically related to the one you mention. Interestingly, it has no megative connotation, but it won't be a

Gemoedelijk is probably the Dutch word which is linguistically related to the one you mention. Interestingly, it has no megative connotation, but it won't be a word used much in randstad (the densely populated ~West of The Netherlands). So it is by definition not as popular as gezellig.