defend

(verb) argue or speak in defense of. Synonyms: support, fend for. Examples: "She supported the motion to strike."

(verb) be on the defensive; act against an attack.

(verb) protect against a challenge or attack. Synonyms: guard, hold. Examples: "Hold that position behind the trees!." "Hold the bridge against the enemy's attacks."

(verb) fight against or resist strongly. Synonyms: fight, oppose, fight back, fight down. Examples: "The senator said he would oppose the bill." "Don't fight it!."

(verb) protect or fight for as a champion. Synonyms: champion.

(verb) be the defense counsel for someone in a trial. Synonyms: represent. Examples: "Ms. smith will represent the defendant."

(verb) state or assert. Synonyms: maintain. Examples: "He maintained his innocence."