earnest
Synonyms: ardent, close, constant, determined, devoted, diligent, eager, fervent, firm, fixed, heartfelt, impassioned, important, industrious, intent, passionate, perseverant, purposeful, resolute, resolved, sedulous, sincere, stable, staid, steady, thoughtful, urgent, vehement, warm, weighty, wholehearted, zealous Source: Roget's New Millennium Thesaurus Sign in to see full entry.