preservation, care, guardianship, custody, memory, learning by heart

establishment of peace

mentioning a person in good light in their absence

preservation, protection, care

protecting one's life

to repeat from memory, to say by heart

etiquette, observance of etiquette, paying due regard to the status of others, protocol

precaution, forearming, prevention (in advance), a preventive measure

the hygiene, measures for preservation of health, care of health

reason for committing to memory

a peace pact