uphold

(verb) keep or maintain in unaltered condition; cause to remain or last. Synonyms: continue, carry on, bear on, preserve. Examples: "Preserve the peace in the family." "Continue the family tradition." "Carry on the old traditions."

(verb) stand up for; stick up for; of causes, principles, or ideals.

(verb) support against an opponent. Synonyms: maintain. Example: "The appellate court upheld the verdict."