All the answers end in ate

[cleverclogs2]

1 To conclude (9)
2 To give in (10)
3 Complex (9)
4 Free (8)
5 To keep apart (8)
6 To adjust an instrument or appliance (8)
7 A person chosen to act for another (8)
8 An official document (11)
9 To deprive a plant of it's leaves (9)
10 To show or point out (8)

[Dinkypuzzled]

2. capitulate.
3. intricate
4. liberate

[Sandy-Wroe]

1 twerminate
2capitulate
3intricate
4 liberate
5 separate
7 delegate
9 defoliate

[Sandy-Wroe]

1 Terminate without the w

[weecalf]

1Terminate
5 Seperate
7 Delegate

[baitress]

1 - terminate.
5 - separate.
9 - defoliate.
10 - indicate.
7 - surrogate.

[Sandy-Wroe]

8 certificate

[Canary42]

6 Calibrate

[mac44]

6. Graduate

[Dinkypuzzled]

6. regulate

[cleverclogs2]

Many thanks! You are all brilliant.

[Canary42]

Just like buses on route number 6 - none for ages then three come along at once. I think perhaps Dinky's is the most suitable.