適当【てきとう】
suitable, proper, appropriate, adequate, fit, fair, perfunctory, half-minded, sloppy, lazy, careless, noncommittal, unreliable, irresponsible, haphazard
最適【さいてき】
most suitable, optimum, optimal, best
快適【かいてき】
pleasant, agreeable, comfortable
適切【てきせつ】
appropriate, suitable, fitting, apt, proper, right, pertinent, relevant
適応【てきおう】
adaptation, accommodation, conformity
不適切【ふてきせつ】
unsuitable, inappropriate, improper
適用【てきよう】
applying (e.g. a technology), adoption
適任【てきにん】
competent, suitable, qualified
適度【てきど】
moderate (degree), proper (amount), temperate, suitable
適性【てきせい】
aptitude, aptness, suitability
適量【てきりょう】
proper quantity, suitable amount, proper dose, optimal dose
適宜【てきぎ】
suitable, appropriate, fitting, proper, appropriately, accordingly, as required, at one's discretion
適する【てきする】
to fit, to suit
適時【てきじ】
timely, opportune
適正【てきせい】
reasonable, suitable
適法【てきほう】
legal, lawful, legitimate
適格【てきかく】
eligible, qualified, competent
適合【てきごう】
conformity, compatibility, adaptability, congruity, congruence
不適当【ふてきとう】
inadequacy, inappropriateness, unfitness, impropriety
適齢【てきれい】
suitable age
