Large and roomy (`convenient' is archaic in this sense):
— A commodious harbor.
— A commodious building suitable for conventions.

synoniem: convenient.

Roget 644: useful; of use etc. n.; serviceable, proficuous^†, good for; subservient etc. (instrumental) 631; conducive etc. (tending) 176; subsidiary etc. (helping) 707.    advantageous etc. (beneficial) 648; profitable, gainful, remunerative, worth one's salt; valuable; prolific etc. (productive) 168.    adequate; efficient, efficacious; effective, effectual; expedient etc. 646.    applicable, available, ready, handy, at hand, tangible; commodious, adaptable; of all work.    ... meer laten zien

Nederlands: aangenaam, geriefelijk
Pools: obszerny