The opposite of deny could be to confirm, to accept, or to allow.
Similar words are acknowledge, accede, affirm, admit, agree, confess, concede, grant, or corroborate.
Deny?
Deny!
The antonyms (opposite) of deny would be to accept or agree with something, so you could use:AcceptAgreeGrant(ed)Allow
The opposite of the word to chose is to deny, fire, refuse or reject. For example, you can chose someone for a job but the opposite would be to deny them for a job.
For the meaning of assert as "to affirm" the opposite could be "deny."
The opposite of admit (concede) is to deny. The opposite of admit (allow entry) is to refuse.
Deny
Deny, negate, veto, nullify...
The opposite of deny could be to confirm, to accept, or to allow. Similar words are acknowledge, accede, affirm, admit, agree, confess, concede, grant, or corroborate.
The opposite of "accept" (agree) is reject, or refuse. The opposite of "accept" (acknowledge) would be refute, or deny.
The opposite of affirmative (yes) would be negative (no).
The opposite of "permit" is "prohibit" or "forbid," meaning to not allow or to disallow something.