The opposite of "more unsanctioned" would be "less unauthorized." Unsanctioned means not approved or officially allowed, while authorized refers to something that is allowed or endorsed. Therefore, the antonym of more unsanctioned would be less unauthorized, which means fewer things done without proper approval or authorization. The antonyms of more unsanctioned are words like authorized, approved, sanctioned, legitimate, valid, licensed, or lawful. Using these words instead of "more unsanctioned" can help to establish a positive tone and reinforce the idea that something is legitimate, legal, or approved.