Meaningless,Regulation or act,Formal,Rigid observation of rules and regulations,
Another word you can use instead of formality is "politeness" or "etiquette."
accomplished, completed, executed, performed
Instead of using the word challenging you can use the word gifted, special, special gifted.
It depends on the sentence. He, she, it, we, or they are possible, or you can just rearrange the sentence to say the same thing without using the word "you". Maybe you can rearrange it so it says "yourself" or something of that nature instead.
depends on the mood of the person if they are smiling. If they are planning something bad, smirk would be a good word. Also, grin would be another good word to use intead of smile.
Substitute or exchange can be used instead of replace.
another word for instance
Another word you can use instead of obituary is "death notice" or "memoriam."
Myself
are
the its
will
no
look in a thesaurus
use the word job
Another word is dehydrated.
trapeze
oldest