earnest
adjective
°Ardent in the pursuit of an object; eager to obtain or do; zealous with sincerity; with hearty endeavour; heartfelt; fervent; hearty; -- used in a good sense; as, earnest prayers.
°Intent; fixed closely; as, earnest attention.
noun
°Seriousness; reality; fixed determination; eagerness; intentness.
°Something given, or a part paid beforehand, as a pledge; pledge; handsel; a token of what is to come.