intentness Synonyms

engrossment sober-mindedness staunchness spirit sincerity scrutiny resolution regard preoccupation persistence perseverance passion observation tenacity thought serious-mindedness single-mindedness regardfulness raptness humorlessness mindfulness assiduousness attentiveness heedfulness seriousness zeal vehemence notice interest intentiveness consideration concern concentration care attention assiduity ardor application alertness advertency advertence determination devotion diligence intentioned immersion heed focus fire fervor