serious-mindedness, earnestness, seriousness, sincerity - the trait of being serious; "a lack of solemnity is not necessarily a lack of seriousness"- Robert Rice

communalism - loyalty and commitment to the interests of your own minority or ethnic group rather than to society as a whole

consecration - a solemn commitment of your life or your time to some cherished purpose (to a service or a goal); "his consecration to study"

cooperation - joint operation or action; "their cooperation with us was essential for the success of our mission"

devotion - commitment to some purpose; "the devotion of his time and wealth to science"

faith - loyalty or allegiance to a cause or a person; "keep the faith"; "they broke faith with their investors"

involvement, participation, involution, engagement - the act of sharing in the activities of a group; "the teacher tried to increase his students' engagement in class activities"

incurrence - the act of incurring (making yourself subject to something undesirable)

subject matter, content, message, substance - what a communication that is about something is about

oath, swearing - a commitment to tell the truth (especially in a court of law); to lie under oath is to become subject to prosecution for perjury

affirmation - (religion) a solemn declaration that serves the same purpose as an oath (if an oath is objectionable to the person on religious or ethical grounds)

promise - a verbal commitment by one person to another agreeing to do (or not to do) something in the future

assurance, pledge - a binding commitment to do or give or refrain from something; "an assurance of help when needed"; "signed a pledge never to reveal the secret"

confinement - the act of restraining of a person's liberty by confining them