gratefulness(the state of being grateful) noun [UK: ˈɡreɪt.fəl.nəs] [US: ˈɡreɪt.fəl.nəs]
thanks(grateful feelings) noun [UK: θæŋks] [US: ˈθæŋks]She expressed her thanks for the present. = Ella dijo unas palabras de agradecimiento por el regalo.
agradecimientonoun {m}
thankfulness(state of showing thanks) noun [UK: ˈθæŋk.fəl.nəs] [US: ˈθæŋk.fəl.nəs]Joy is the simplest form of thankfulness. = La alegría es la forma más simple de agradecimiento.