honorific

Short definition from Wiktionary

Noun

1. 1
   A person's title, such as "Mrs" or "Doctor".
2. 2
   A term of respect; respectful language.
3. 3
   A word or word form expressing the speaker's respect for the hearer or the referent.

Adjective

1. 1
   Showing or conferring honour and respect.
2. 2
   Based on or valuing honor