協定【きょうてい】
arrangement, pact, agreement
安定【あんてい】
stability, steadiness, consistency, equilibrium, balance, composure, stable
一定【いってい】
fixed, settled, constant, definite, uniform, regularized, regularised, defined, standardized, standardised, certain, prescribed
規定【きてい】
stipulation, prescription, provision, regulation, rule, normal (unit of normality), compulsory exercise (in gymnastics), compulsory routine, compulsory dance (figure skating), (a) compulsory
確定【かくてい】
decision, settlement, confirmation, establishment
限定【げんてい】
limit, restriction
固定【こてい】
fixing (in place), being fixed (in place), securing, anchoring, fastening down, fixing (e.g. salary, capital), keeping the same, fixation (histology), user name (on an online forum like 2ch where the majority of users post anonymously), user of an online handle (instead of posting anonymously)
鑑定【かんてい】
judgement, judgment, expert opinion, appraisal
勘定【かんじょう】
calculation, computation, counting, reckoning, count, bill, check, account, payment (of a bill), settlement (of an account), consideration, allowance
査定【さてい】
assessment (of value, damages, etc.), revision (of a budget)
公定【こうてい】
official (rate, price, etc.), officially fixed
案の定【あんのじょう】
just as one thought, as usual, sure enough
仮定【かてい】
assumption, supposition, hypothesis, supposition