reciprocate

Từ điển WordNet v3.1 - WordNet Dictionary

verb

1. act, feel, or give mutually or in return
- We always invite the neighbors and they never reciprocate!
• Derivationally related forms:
reciprocative, reciprocation, reciprocatory
• Hypernyms:
act, move
• Hyponyms:
return
• Verb Frames:
- Somebody ----s
2. alternate the direction of motion of
- the engine reciprocates the propeller
• Derivationally related forms:
reciprocatory, reciprocation, reciprocative
• Hypernyms:
move
• Verb Frames:
- Somebody ----s something
- Something ----s something