I think the word you seek is "allow".
A four letter word that is opposite of received and starts with the letter g is gave.
The four letter word that means, "I forbid," is veto.veto
Perhaps the word you are looking for is "normal".
mistakable
proud
Profit
pessimistic
The five letter word that is the opposite of behind and begins with an 'a' and ends with a 'd' is AHEAD.
Hurt
oppose forbid restrict refuse prevent
Likely candidate is the word: Cloudy. Obviously cloudy.
Maybe outgoing, which means friendly or sociable.