SR.
Yes, "Snr" is a commonly accepted abbreviation for senior.
You don't abbreviate the word.
How do you abbreviate the word recovered
How do you abbreviate the word regional
Abbreviate the word production?
There is no need to abbreviate the word ticket.
The base word of abbreviation is "abbreviate."
how do you abbreviate the word "controlled"?
How do you abbreviate the word "Judge"?
Either... Sen. Sup. Or... Sr. Sup.
There is not a proper way to abbreviate the word 'consideration'. If you really do need to abbreviate the word, you could use the abbreviation of 'cons'.