1 surely

2 certainly

3 necessarily

4 fixed

5 a certain (extent etc)

6 given

7 particular

8 must

1 big

2 huge

3 large

4 major

5 great

6 wide

7 deep

8 older (than)

9 oldest

10 eldest

11 greatly

12 very much

13 (dialect) father

14 father's elder or younger brother

1 very auspicious

2 extremely lucky

1 everyone

2 influential family

3 great expert

1 prize

2 award

1 (idiom) it's a deal

2 that's settled then

1 to fail to see the larger issue (idiom)

2 to fail to grasp the big picture

1 I have been looking forward to meeting you for a long time (idiom)

1 man can conquer nature (idiom); human wisdom can prevail over nature

1 minor projects eclipse major ones (idiom)