responsive

In obsolete|lang=en terms the difference between keen and responsive

is that keen is (obsolete) brave, courageous; bold, audacious while responsive is (obsolete) responsible.

As adjectives the difference between keen and responsive

is that keen is showing a quick and ardent willingness or responsiveness, enthusiastic, eager; interested, intense while responsive is answering, replying or responding.

As a verb keen

is (rare) to sharpen; to make cold or keen can be to utter a keen.

As a noun keen

is a prolonged wail for a deceased person.

As adjectives the difference between responsive and opportune

is that responsive is answering, replying or responding while opportune is suitable for some particular purpose.

As adjectives the difference between inclined and responsive

is that inclined is at an angle to the horizontal; slanted or sloped while responsive is answering, replying or responding.

As a verb inclined

is (incline).

As adjectives the difference between dutiful and responsive

is that dutiful is accepting of one's legal or moral obligations and willing to do them well, and without complaint while responsive is answering, replying or responding.

As adjectives the difference between reflective and responsive

is that reflective is something which reflects, or redirects back to the source while responsive is answering, replying or responding.

Accessible is a related term of responsive.

As adjectives the difference between accessible and responsive

is that accessible is easy of access or approach; approachable while responsive is answering, replying or responding.

Selfcontrolled is likely misspelled.

Selfcontrolled has no English definition.

As an adjective responsive

is answering, replying or responding.

Approachable is a related term of responsive.

As adjectives the difference between approachable and responsive

is that approachable is easily approached; easy to talk to while responsive is answering, replying or responding.

As adjectives the difference between resilient and responsive

is that resilient is able to endure tribulation without cracking while responsive is answering, replying or responding.

As adjectives the difference between modest and responsive

is that modest is not bragging or boasting about oneself or one's achievements, unpretentious, humble while responsive is answering, replying or responding.