Synonyms and related words :
careful, conservational, conservationist, conservative, conservatory, conserving, covering, custodial, defending, defensive, fostering, guardian, guarding, heedful, immunizing, jealous, keeping, parental, possessive, preservative, preservatory, preserving, preventative, preventive, prophylactic, protecting, safeguarding, saving, screening, self-defensive, self-preservative, self-protective, sheltering, shielding, tutelary, vigilant, watchful