godan ~す verb / intransitive verb:

• to stretch; to extend; to lengthen; to spread

godan ~す verb:

• to gain influence; to become stronger; to increase (e.g. in scope)

godan ~す verb / intransitive verb:

• to go further

godan ~す verb / transitive:

• to smooth out; to roll out
• to spread out (something folded)
• to iron
• to knock out; to knock down