1. (adjective) containing or using responses; alternating

• antiphonal

2. (adjective) reacting to a stimulus

• reactive

1. (adjective) readily reacting or replying to people or events or stimuli; showing emotion

• answering
• respondent

2. (adjective) reacting to a stimulus

• sensitive

1. (adjective) readily reacting or replying to people or events or stimuli; showing emotion

• sensitive
• sensitive

1. (adjective) containing or using responses; alternating

• antiphon
• antiphony
• response

1. (adjective) containing or using responses; alternating

• antiphon
• antiphony
• antiphonal
• antiphonary

2. (adjective) readily reacting or replying to people or events or stimuli; showing emotion

• react
• respond
• responsiveness

3. (adjective) reacting to a stimulus

• react
• respond
• reactivity
• responsiveness

1. (adjective) readily reacting or replying to people or events or stimuli; showing emotion

• unresponsive