Endure
To sustain means to support or uphold something without it breaking or giving way. It involves maintaining something at a certain level or state for a prolonged period of time.
To continue in the same state without perishing; to last; to remain., To remain firm, as under trial or suffering; to suffer patiently or without yielding; to bear up under adversity; to hold out., To remain firm under; to sustain; to undergo; to support without breaking or yielding; as, metals endure a certain degree of heat without melting; to endure wind and weather., To bear with patience; to suffer without opposition or without sinking under the pressure or affliction; to bear up under; to put up with; to tolerate., To harden; to toughen; to make hardy.
support, give, sustain
To activate the sustain function on a Casio keyboard without using a pedal, you can typically press and hold the "Sustain" button on the keyboard while playing. This will sustain the notes you play without the need for a pedal.
You have enough income to support (sustain) you.
You can continue your turn without stopping and yielding to anyone.
To maintain means to cause a circumstance to continue, whereas sustain means to bolster or support. One can maintain a family with money for food and rent, but one might need love and support to sustain a family.
To mentally, physically and emotionally sustain
Modular ammunition
it could be support, confirm, sustain, maintain
Camp Humphreys's motto is 'Sustain, Support, Defend'.
Yongsan Garrison's motto is 'Sustain, Support, Defend'.