Synonyms of the word

emeritus

• adj. Retired, but retaining an honorific version of a previous title (especially "professor").
• n. A person retired in this sense (feminine form emerita).

old

• adj. Of an object, concept, relationship, etc., having existed for a relatively long period of time.
• adj. Of an item that has been used and so is not new (unused).
• adj. Having existed or lived for the specified time.
• adj. (heading) Of an earlier time.
• adj. Tiresome.
• adj. Said of subdued colors, particularly reds, pinks and oranges, as if they had faded over time.
• adj. A grammatical intensifier, often used in describing something positive. (Mostly in idioms like good old,…
• adj. (obsolete) Excessive, abundant.
• n. (with "the") People who are old; old beings; the older generation, taken as a group.

retired

• adj. Secluded from society (of a lifestyle, activity etc.); private, quiet.
• adj. Of a place: far from civilisation, not able to be easily seen or accessed; secluded.
• adj. (of people) Having left employment, especially on reaching pensionable age.
• v. simple past tense and past participle of retire.

retiree

• n. someone who has retired from active working.