possible;  potential;  practicable;  feasible
 propriety;  right and wrong;  advisability;  pro and con;  ayes and noes
 wrong;  bad;  not allowed;  not possible;  failing grade
 variable;  changeable;  convertible;  controllable
 approval;  adoption (of a motion, bill, etc.);  passage
 dharma transmission (formal confirmation of a student's awakening by his master);  certificate of proficiency (in flower arrangement, etc.)
 available for immediate move-in
 you must seize every golden opportunity;  strike while the iron is hot;  when you find a rare good buy, seize upon it for a future sale at a much higher price
 potential verb;  -eru verb derived from -u verbs expressing potentiality
 habitable area;  inhabitable land
 denumerable set;  countable set
 inflatable (in the sense of "can be inflated")
 just-noticeable difference;  jnd
 just-noticeable difference;  JND