The verb qualify has 7 senses (first 4 from tagged texts)
1. (14) qualify, measure up -- (prove capable or fit; meet requirements)
2. (3) qualify -- (pronounce fit or able; "She was qualified to run the marathon"; "They nurses were qualified to administer the injections")
3. (2) qualify, restrict -- (make more specific; "qualify these remarks")
4. (1) qualify, dispose -- (make fit or prepared; "Your education qualifies you for this job")
5. stipulate, qualify, condition, specify -- (specify as a condition or requirement in a contract or agreement; make an express demand or provision in an agreement; "The will stipulates that she can live in the house for the rest of her life"; "The contract stipulates the dates of the payments")
6. qualify, characterize, characterise -- (describe or portray the character or the qualities or peculiarities of; "You can characterize his behavior as that of an egotist"; "This poem can be characterized as a lament for a dead lover")
7. modify, qualify -- (add a modifier to a constituent)