conceptual hand writing showing sustainable. business photo text the ability to be sustained, supported, upheld, or

acceptable arguable believable cogent coherent credible defendable defensible excusable feasible good impregnable just justifiable legit legitimate logical maintainable plausible practical proper rational realistic reasonable reasoned reliable right sensible sincere sound strong supportable tenable trustworthy understandable valid viable vindicable warrantable water wellfounded workable